Affected Components: Wheatland

Mar 12, 23:26:18 GMT+0
Investigating - Wind events today damaged two network sites just outside of Wheatland causing outages for a select number of customers. Team engaged but were unable to resolve due the unsafe conditions the wind created. Teams have planned and will be dispatched in the morning to resolve these impacts. We are committed to restoring services are quickly, and safely as possible. Updates will be provided here as restoration continues. For any question please contact our support team 307-233-8400..

Mar 13, 01:04:57 GMT+0
Monitoring - Teams were able to get to site are restore services to come impacted areas. We're continue to monitor the restorations and remaining effected sites. Updates to follow shortly..

Duration: 1 hour and 9 minutes

Affected Components: Casper, Alcova

Mar 12, 16:06:20 GMT+0
Identified - Teams are dispatched to resolve network impacts affecting Goose Egg, Indian Springs, and Bessemer Bend to Alcova. ETR is 11:30AM..

Mar 12, 17:14:51 GMT+0
Resolved - This incident has been resolved..

Duration: 8 hours and 2 minutes

Affected Components: Burns, Glenrock, Hanna, Network Status, Network Status, , Internet - Fiber, Bar Nunn, Encampment, , Layer 2 Transport, , , , Chugwater, Torrington, Evansville, Medicine Bow, Mills, Hawk Springs, Laramie, Casper, Rock River, Alcova, , Wheatland, Cheyenne, DNS / rDNS, Internet - Wireless, Webhosting, , Saratoga, Rolling Hills, Converse County → Natrona County → Carbon County → Albany County → Platte County → Goshen County → Laramie County →

Feb 19, 12:58:45 GMT+0
Investigating - We are currently investigating impacts from our maintenance last night that has fallen outside of allotted time frame. Transport traffic between Casper and Cheyenne in addition to internet services are experiencing degraded performance as we troubleshoot the problem. .

Feb 19, 14:54:06 GMT+0
Monitoring - We've seen service restoration for about 20 minutes. Teams are continuing to monitor service status for any remaining issues..

Feb 19, 18:49:02 GMT+0
Monitoring - Teams are still working in these sites it ensure continued operation. Currently services are operational and teams will continue to monitor until completed..

Feb 19, 21:00:48 GMT+0
Resolved - This incident has been resolved..

Duration: 2 hours and 59 minutes

Affected Components: Bar Nunn, Burns, Glenrock, , Network Status, Network Status, , Internet - Fiber, , Transport, Layer 2 Transport, , Chugwater, Torrington, Evansville, Mills, Hawk Springs, Casper, Alcova, , Wheatland, Cheyenne, DNS / rDNS, Internet - Wireless, , Rolling Hills, Internet → Converse County → Natrona County → Platte County → Goshen County → Laramie County →

Feb 19, 07:01:00 GMT+0
Identified - Summary of Work: During this time Mountain West will be upgrading equipment on our Casper to Cheyenne transport to allow for additional capability and ensure network resiliency. Traffic north and south of the maintenance locations on I-25 will see impacts as traffic re-routes over alternate paths. Transport traffic traversing these paths will be impacted during this window..

Feb 19, 07:01:01 GMT+0
Identified - Maintenance is now in progress.

Feb 19, 10:00:00 GMT+0
Completed - Maintenance has completed successfully.

Duration: 5 hours and 59 minutes

Affected Components: Bar Nunn, Burns, Glenrock, , Network Status, Network Status, , Internet - Fiber, , Transport, Layer 2 Transport, , Chugwater, Torrington, Evansville, Mills, Hawk Springs, Casper, Alcova, , Wheatland, Cheyenne, DNS / rDNS, Internet - Wireless, , Rolling Hills, Internet → Converse County → Natrona County → Platte County → Goshen County → Laramie County →

Feb 17, 07:01:00 GMT+0
Identified - Summary of Work: During this time Mountain West and 3rd party providers will be preparing fiber on our Casper to Cheyenne transport to allow for additional capability and ensure network resiliency. Traffic north and south of the maintenance locations on I-25 will see impacts as traffic re-routes over alternate paths. Transport traffic traversing these paths will be impacted during this window..

Feb 17, 07:01:01 GMT+0
Identified - Maintenance is now in progress.

Feb 17, 13:00:00 GMT+0
Completed - Maintenance has completed successfully.

Duration: 3 hours and 21 minutes

Affected Components: Voice, Voice - Landline / POTS, Voice - SIP / VOIP

Feb 16, 18:35:57 GMT+0
Investigating - Mountain West is seeing a high volume of inbound call failures. We have isolated this to a single provider and are working to resolve this issue. Outbound calls from our service are not impacted..

Feb 16, 21:57:07 GMT+0
Resolved - .

Feb 16, 21:58:25 GMT+0
Resolved - This incident has been resolved..

Duration: 1 hour and 35 minutes

Affected Components: Power Systems

Feb 3, 19:13:52 GMT+0
Investigating - Our Casper Data Center has been transitioned to emergency power as utility service has lost a phase repeatably over the last 3 minutes. This will continue until the service is monitored with no impacts over a 30 minute window. Power services are at risk, but not impacted..

Feb 3, 19:20:57 GMT+0
Identified - Phase B and C from our utility service provider has been lost, Rocky Mountain Power has been dispatched with a ETR of 1 hour. Services are currently stable on emergency power but at risk. Updates will be provided as RMP investigates..

Feb 3, 20:49:03 GMT+0
Resolved - RMP found a fault and has restored utility electrical service. Power systems are no long at risk and will be monitored..

Duration: 8 minutes

Affected Components: Network Status

Jan 26, 20:30:00 GMT+0
Identified - Summary of Work: During this time, Mountain West will be upgrading network elements that affect customers with shared colocation services in rack C2-1\. These upgrades will add additional network connectivity options and ensure continued redundancy. Customers may experience brief interface interruptions during the maintenance window. This impact is limited to shared colocation services only. For questions or remediation requests, please contact [dcsupport@mwtcorp.net](mailto:dcsupport@mwtcorp.net) Expected Downtime: Up to 15 minutes.

Jan 26, 20:30:01 GMT+0
Identified - Maintenance is now in progress.

Jan 26, 20:38:19 GMT+0
Completed - Maintenance has completed successfully. Customers should see no lasting impact. If issues are discovered please contact [dcsupport@mwtcorp.net](mailto:dcsupport@mwtcorp.net) or your normal support contact..

Duration: 2 hours and 59 minutes

Affected Components: Voice, DNS / rDNS, Webhosting, Customer Portal, Email

Jan 8, 07:01:00 GMT+0
Identified - During this time, Mountain West team's will be upgrading and migrating core service dependencies to ensure service reliability and resiliency. This is 1 part of a 2 part window, an additional window will be sent at a later time. Customers using our DNS at 66.119.48.2 and 66.119.48.3 or if we are your authoritative name servers may see extended or failed resolutions for short times during this window. DoT and DoH resolution will take longer to recover. A limited amount of voice customers in the Casper area will be be unable to make or receive calls during this window, including 911. Additionally, customer hosted websites and [mail.mwtn.net](http://mail.mwtn.net) will be inaccessible during periods in this window. E-Mail that fail to send should be processes once services are restored..

Jan 8, 07:01:01 GMT+0
Identified - Maintenance is now in progress.

Jan 8, 10:00:00 GMT+0
Completed - Maintenance has completed successfully.

Duration: 6 days, 17 hours and 53 minutes

Affected Components: Cheyenne

Dec 18, 19:21:07 GMT+0
Identified - Teams are continuing to work on restoration of the damaged equipment, but due to extreme weather impacts (the wind) this is making some tasks challenging. To ensure the safety of our team members, we are updating our estimated restoration time to 9:00PM Friday, December 19th. We understand the impact this is having and appreciate your patience as we work to restore services as quickly and safely as possible. Any comments or concerns, please contact our support team at [support@mwtcorp.net](mailto:support@mwtcorp.net) or 307-233-8400 Option 1..

Dec 17, 23:10:31 GMT+0
Identified - Internet customers in West Cheyenne near West Horse Creek and the surrounding areas are currently experiencing a outage due to damaged equipment. Teams are engaged and current restoration time is 9:00PM December 18th. Updates will be provided as restoration progresses. Any questions please contact our support team at [support@mwtcorp.net](mailto:support@mwtcorp.net) or 307-233-8400 Option 1..

Dec 20, 00:00:40 GMT+0
Identified - Severe weather continues to create unsafe conditions, limiting our outside plant team’s ability to complete all necessary restoration work. We sincerely apologize for the continued delay and understand how disruptive this has been. We are closely monitoring the situation and have updated the estimated time of restoration to 9:00 PM on Tuesday, December 23\. We will continue to share updates here as weather conditions, progress, or timelines change..

Dec 24, 17:03:11 GMT+0
Resolved - Teams resolved all pending restoration work and issues at 8:30PM on Tuesday, December 23rd. If you are still experiencing service impacts please contact our support team at 307-233-8400 Option 1 or support@mwtcorp.net. Thank you for your patience as we waited out the wonderful Wyoming wind. Happy holidays..

Duration: 1 hour

Affected Components: Power Systems

Dec 17, 22:25:36 GMT+0
Monitoring - Our Casper Data Center has been transitioned to emergency power as utility service has lost a phase repeatably over the last 5 minutes. This will continue until the service is monitored with no impacts over a 30 minute window. .

Dec 17, 23:25:37 GMT+0
Resolved - Power has transferred away from emergency and are no longer at risk. .

Duration: 2 hours and 2 minutes

Affected Components: Encampment, Chugwater, Bar Nunn, Burns, Glenrock, Hanna, , Network Status, Network Status, , Internet - Fiber, , Voice, , , , Peering, Torrington, Evansville, Medicine Bow, Mills, Hawk Springs, Laramie, Casper, Rock River, Alcova, , Wheatland, Cheyenne, Voice - Landline / POTS, Voice - SIP / VOIP, DNS / rDNS, Internet - Wireless, Webhosting, Customer Portal, , Saratoga, Rolling Hills, Email, Internet → Converse County → Natrona County → Carbon County → Albany County → Platte County → Goshen County → Laramie County →

Dec 4, 07:01:01 GMT+0
Identified - Maintenance is now in progress.

Dec 4, 09:03:13 GMT+0
Completed - Maintenance has completed successfully..

Dec 4, 07:01:00 GMT+0
Identified - Summary of Work: During this time, Mountain West will be upgrading software on our edge routers to ensure service reliability and resiliency. Mountain West has 3 redundant edge routers which will be upgraded independently. Traffic will be transitioned before upgrading, but there will be short impacts to network connectivity during this time. If you utilize us to announce your owned public network, peering or BGP - this will impact you for a longer duration as the upgrade is completed and tested. Date and Time of Activity: Thursday, December 4th, 2025 between 12:01AM and 5:30AM Mountain Time Expected Down Time: Network Connectivity: <30 minutes BGP Announcements: \~2 hours.

Duration: 8 minutes

Affected Components: Glenrock, , Rolling Hills, Converse County →

Nov 30, 03:54:28 GMT+0
Investigating - We are currently investigating this incident..

Nov 30, 03:55:00 GMT+0
Monitoring - We implemented a fix and are currently monitoring the result..

Nov 30, 04:02:03 GMT+0
Resolved - This incident has been resolved. A network element created an issue impacting service in the area for approximately 10 minutes..

Duration: 58 minutes

Affected Components: Cheyenne

Oct 27, 14:52:06 GMT+0
Investigating - We are currently investigating service impacts to customers in select areas in North Cheyenne. Field teams are dispatched and will be onsite shortly..

Oct 27, 15:49:52 GMT+0
Resolved - This incident has been resolved..

Duration: 1 hour and 48 minutes

Affected Components: Encampment, Hanna, Saratoga, Medicine Bow

Oct 9, 16:50:46 GMT+0
Identified - Carbon Power and Light is conducting work affecting a critical network site which is impacting customer network connectivity in Saratoga and Encampment. We'll monitor and update once restoration is identified. .

Oct 9, 18:28:06 GMT+0
Monitoring - Carbon Power and Light has re-energized the effected lines. Network elements are recovering now. We'll monitor to ensure there are no lingering impacts..

Oct 9, 18:38:19 GMT+0
Resolved - This incident has been resolved..

Duration: 3 hours and 26 minutes

Affected Components: Voice

Oct 8, 19:09:44 GMT+0
Monitoring - We implemented a fix and are currently monitoring the result..

Oct 8, 20:11:46 GMT+0
Resolved - This incident has been resolved..

Oct 8, 16:46:13 GMT+0
Investigating - We are currently investigating reports of a limited number of customers having outbound calls failing to complete. Teams are engaged and investigating. .

Duration: 7 hours and 3 minutes

Affected Components: Power Systems

Oct 3, 14:00:00 GMT+0
Identified - During this time, Mountain West and our diesel contractor will be conducting preventive maintenance and a load bank to our emergency stand-by generator. This work puts colocation power systems, and well as network elements at risk due to the longer transfer times from commercial to emergency power while this work is being completed. We expect no down time during this maintenance window. Updates will be provided here during the duration and this will upgrade to a incident if elements are impacted. Contact(s): Mountain West Network Operations Center [noc@mwtcorp.net](mailto:noc@mwtcorp.net) | 307-233-8400.

Oct 3, 21:03:02 GMT+0
Completed - Maintenance has completed successfully..

Oct 3, 14:00:01 GMT+0
Identified - Maintenance is now in progress.

Duration: 2 hours

Affected Components: Power Systems

Sep 19, 16:30:00 GMT+0
Identified - During this time, Mountain West's electrical contractor will be installing additional receptacles for power expansion. Due to the work being completed, we are identifying this puts power feeds for customer's in row C1 at risk due to work being completed in SF-1A and SF-1B. Each feed will be worked on independently to ensure both power feeds are not impacted. This will be updated to a incident if power has been impacted. Contact(s): Mountain West Network Operations Center [noc@mwtcorp.net](mailto:noc@mwtcorp.net) | 307-233-8400.

Sep 19, 16:30:01 GMT+0
Identified - Maintenance is now in progress.

Sep 19, 18:30:00 GMT+0
Completed - Maintenance has completed successfully.

Duration: 4 hours and 48 minutes

Affected Components: Encampment, Medicine Bow, Hanna, , Saratoga, Carbon County →

Jul 28, 21:28:16 GMT+0
Investigating - We are currently investigating a loss of communications between Laramie and Medicine Bow affecting services down stream. Updates will follow when they are available..

Jul 28, 21:44:39 GMT+0
Investigating - Outside plant teams from Casper and Saratoga have been dispatched to investigate a possible hardware failure or fiber cut. Updates will be provided as they arrive and investigate. Estimated time of restoration at this time is at or before 8PM..

Jul 29, 01:00:20 GMT+0
Monitoring - We implemented a fix and are currently monitoring the result. Services are restored are may be briefly impacted as teams ensure stability of the circuit. .

Jul 29, 02:16:07 GMT+0
Resolved - This incident has been resolved..

Duration: 4 hours

Affected Components: , Peering, Encampment, Network Status, Chugwater, Bar Nunn, Glenrock, Hanna, Network Status, Laramie, Mills, Hawk Springs, Medicine Bow, , , , , Internet - Wireless, Internet - Fiber, , , Rock River, Casper, Alcova, Torrington, Saratoga, Rolling Hills, Evansville, Internet → Albany County → Carbon County → Platte County → Converse County → Natrona County → Goshen County →

Jul 15, 11:00:00 GMT+0
Completed - Maintenance has completed successfully.

Jul 15, 07:00:01 GMT+0
Identified - Maintenance is now in progress.

Jul 15, 07:00:00 GMT+0
Identified - Summary of Work: During this time, Mountain West will be relocating a transport provider from our legacy core to our new core. Network impacts will be short as traffic traversing this path will fail over to other redundant paths. _UPDATED_ \- Date and Time of Activity: Tuesday, July 15th, 2025 between 01:00 and 05:00 MDT Physical Location of Activity: NAT-CBC, NAT-EG1 Expected Down Time: 2 hours Contact(s): Mountain West Network Operations Center [noc@mwtcorp.net](mailto:noc@mwtcorp.net) | 307-233-8400.

Duration: 2 hours and 30 minutes

Affected Components: Peering, Laramie, Mills, Power Systems, Hawk Springs, Layer 2 Transport, Encampment, Burns, Network Status, Chugwater, Bar Nunn, Network Status, Environmental Systems, Glenrock, Environmental Systems, Medicine Bow, Hanna, Voice, Transport, Internet - Wireless, Customer Portal, Internet - Fiber, Voice - SIP / VOIP, DNS / rDNS, Webhosting, Domain Registration, Power Systems, Wheatland, Rock River, Casper, Saratoga, Alcova, Torrington, Cheyenne, Rolling Hills, Email, Evansville

Jul 1, 06:01:01 GMT+0
Identified - Maintenance is now in progress.

Jul 1, 08:31:00 GMT+0
Completed - Maintenance has completed successfully.

Jul 1, 06:01:00 GMT+0
Identified - During this time engineering team members will be upgrading and completing configuration changes to resolve impacts and provide intended redundancy to other outside networks, and within ours. This will impact services across the network for a short time as all network edge regions will be impacted. This is continued work from the maintenance window on June 30th..

Duration: 3 days, 12 hours and 54 minutes

Affected Components: Peering, Laramie, Mills, Power Systems, Hawk Springs, Layer 2 Transport, Encampment, Burns, Network Status, Chugwater, Bar Nunn, Network Status, Environmental Systems, Glenrock, Environmental Systems, Medicine Bow, Hanna, Evansville, Voice, Transport, Internet - Wireless, Customer Portal, Internet - Fiber, Voice - SIP / VOIP, DNS / rDNS, Webhosting, Domain Registration, Power Systems, Wheatland, Rock River, Casper, Saratoga, Alcova, Torrington, Cheyenne, Rolling Hills, Email

Jun 30, 06:01:00 GMT+0
Identified - During this time engineering team members will be upgrading and completing configuration changes to resolve impacts and provide intended redundancy to other outside networks, and within ours. This will impact services across the network for a short time as all network edge regions will be impacted..

Jun 30, 07:25:53 GMT+0
Completed - Maintenance has completed successfully..

Jun 30, 06:01:00 GMT+0
Identified - Maintenance is now in progress..

Duration: 5 hours and 42 minutes

Affected Components: Mills, Bar Nunn, Network Status, Glenrock, Evansville, , DNS / rDNS, , Casper, Alcova, Rolling Hills, Converse County → Natrona County →

Jun 27, 13:04:44 GMT+0
Identified - We are continuing to work on a fix for this incident..

Jun 27, 13:38:46 GMT+0
Monitoring - We implemented a fix and are currently monitoring the result..

Jun 27, 15:39:38 GMT+0
Resolved - This incident has been resolved..

Jun 27, 12:30:44 GMT+0
Investigating - We're currently investigating connectivity and latency impacts affecting some areas of our Northing Service Areas. Teams are investigating..

Jun 27, 17:28:04 GMT+0
Identified - We are continuing to work on a fix for this incident..

Jun 27, 18:12:37 GMT+0
Resolved - This incident has been resolved..

Duration: 8 hours

Affected Components: , Cheyenne, Laramie County →

Jun 24, 15:00:00 GMT+0
Identified - Residents near Curt Gowdy State Park may experience some interruptions in service today while we perform maintenance on one of our towers in the area. Interruptions will be short..

Jun 24, 23:00:00 GMT+0
Completed - Maintenance has completed successfully.

Jun 24, 15:00:01 GMT+0
Identified - Maintenance is now in progress.

Duration: 6 hours and 27 minutes

Affected Components: , Encampment, Chugwater, Bar Nunn, Burns, Environmental Systems, Environmental Systems, Glenrock, Hanna, , Network Status, Network Status, , , , , Voice, Layer 2 Transport, , , , , Power Systems, Peering, Torrington, Evansville, Medicine Bow, Mills, Hawk Springs, Laramie, Casper, Rock River, Alcova, , , Wheatland, Cheyenne, DNS / rDNS, Domain Registration, Webhosting, Customer Portal, , Saratoga, Rolling Hills, Email, Power Systems, Services → Internet → Converse County → Mountain West Technologies → Cheyenne → Natrona County → Carbon County → Albany County → Datacenters → Platte County → Goshen County → Casper → Laramie County →

Jun 24, 08:41:57 GMT+0
Monitoring - Engineering teams are continuing to restore a limited number of voice services that are still being impacted in addition to some hosted web services. We expect to have this resolved at or before 6:00AM. All internet service were restored before midnight, Tuesday June 24th. If you are continuing to have internet issues please reboot your router and if issues persist reach out to our support team at \[support@mwtcorp.net\](mailto:support@mwtcorp.net).

Jun 24, 05:31:15 GMT+0
Monitoring - Engineering teams are continue to review issues impacting limited customers in service areas. These are to be resolved over the next 90 minutes..

Jun 24, 03:30:27 GMT+0
Investigating - We are currently investigating this incident..

Jun 24, 04:32:46 GMT+0
Monitoring - Mountain West engineering teams responded to a incident that affected services across the network for a short time. This issue is resolved and services across the network are restoring. Please notify [support@mwtcorp.net](mailto:support@mwtcorp.net) if you are still having issues with services. Updates will follow shortly..

Jun 24, 06:51:05 GMT+0
Monitoring - Internet services are restored across the network. If you are still having issue please reboot your router. If this does not resolve your issue please reach out to [support@mwtcorp.net](mailto:support@mwtcorp.net) so our team can investigate. Voice service customers may still be having issues. Teams are engaged and are continuing to work the issue. Updates will follow as restoration continues..

Jun 24, 09:56:58 GMT+0
Resolved - This incident has been resolved..

Duration: 4 hours

Affected Components: Email

Jun 19, 05:00:00 GMT+0
Identified - We are planning for a scheduled maintenance during that will affect e-mail sending and receiving. Mail send that is not delivered will retry and will appear in your inbox once upgrades are complete..

Jun 19, 05:00:01 GMT+0
Identified - Maintenance is now in progress.

Jun 19, 09:00:00 GMT+0
Completed - Maintenance has completed successfully.

Duration: 50 minutes

Affected Components: , Peering, Hanna, Chugwater, Bar Nunn, Hawk Springs, Glenrock, Rolling Hills, Voice, , Encampment, , , Mills, , Laramie, Burns, Evansville, Network Status, Medicine Bow, Internet - Wireless, Internet - Fiber, Webhosting, , , Wheatland, , Rock River, Casper, Saratoga, Alcova, Torrington, Network Status, Cheyenne, Internet → Albany County → Carbon County → Platte County → Converse County → Laramie County → Natrona County → Goshen County →

Jun 5, 16:04:00 GMT+0
Investigating - We are currently investigating this incident affecting some access to sites and networks. Engineers are engaged..

Jun 5, 16:50:05 GMT+0
Monitoring - We implemented a fix and are currently monitoring the result..

Jun 5, 16:54:15 GMT+0
Resolved - This incident has been resolved..

Duration: 28 minutes

Affected Components: Evansville

Jun 1, 22:32:35 GMT+0
Resolved - This incident has been resolved..

Jun 1, 22:05:01 GMT+0
Identified - We are currently investigating impacts to a limited amount of customers in the Evansville Cole Creek area. Teams have been dispatched, and updates will follow shortly..

Duration: 3 hours and 19 minutes

Affected Components: Power Systems

May 29, 18:10:59 GMT+0
Investigating - We're currently investigating a loss of the C phase of our utility power service to our Casper Data Center. Utility provider has been notified and currently has a ETA of 30 minutes. Power has been transferred to emergency until the phase is restored..

May 29, 18:34:57 GMT+0
Investigating - Utility provider is on site and investigating, updates to follow when they are received. .

May 29, 19:50:07 GMT+0
Monitoring - Our utility provider has dispatched additional crews and de-energized our utility service. Emergency power is being monitored and updates will be provided as they come..

May 29, 21:29:32 GMT+0
Resolved - This incident has been resolved after utilities located a failed component. Power was monitored for 15 minutes after they left the site and now is back in a normal state..

Duration: 1 hour and 7 minutes

Affected Components: Bar Nunn, Casper, Glenrock, Rolling Hills, Alcova, Mills, Evansville

May 6, 03:34:06 GMT+0
Resolved - This incident has been resolved..

May 6, 02:27:11 GMT+0
Investigating - We are currently investigating degraded performance in select areas of Natrona and Converse County. Teams are engaged and investigating..

May 6, 03:21:27 GMT+0
Identified - We are continuing to work on a fix for this incident..

Duration: 2 hours

Affected Components: Voice - Landline / POTS

Apr 28, 15:30:01 GMT+0
Identified - Maintenance is now in progress.

Apr 28, 17:30:00 GMT+0
Completed - Maintenance has completed successfully.

Apr 28, 15:30:00 GMT+0
Identified - Summary of Work: Chugwater Telephone Company will be implementing configuration changes in equipment at the Chugwater office. This work is expected to disrupt voice traffic. During this time landline customers will be unable to make or receive phone calls. Date and Time of Activity: Monday, April 28th, 2025 between 09:30 and 11:30 MDT Physical Location of Activity: Chugwater, Wyoming Services Affected: \- Voice (Chugwater, Wyoming) Expected Down Time: 2 hours Contact(s): Mountain West Network Operations Center [noc@mwtcorp.net](mailto:noc@mwtcorp.net) | 307-233-8400.

Duration: 2 days, 20 hours and 7 minutes

Affected Components: Email

Apr 28, 13:54:11 GMT+0
Resolved - This incident has been resolved..

Apr 25, 17:47:19 GMT+0
Identified - We've identified an issue with [WyomingWireless.com](http://WyomingWireless.com) E-Mail that are preventing authentication and outbound mail delivery. We're currently working with our 3rd party provider to remedy this issue. We've amended the requested change and are waiting a response from the provider to restore e-mail services. We estimate this issue to remain over the weekend..

Duration: 1 hour and 30 minutes

Affected Components: Voice

Apr 23, 05:30:00 GMT+0
Completed - Maintenance has completed successfully.

Apr 23, 04:00:01 GMT+0
Identified - Maintenance is now in progress.

Apr 23, 04:00:00 GMT+0
Identified - As part of our ongoing commitment to improving voice services, Mountain West's vendors will be upgrading the switching and routing infrastructure in our voice services during an upcoming maintenance window. To ensure a smooth upgrade and minimize disruption, **customers on a limited amount of voice equipment** will temporarily respond with a SIP 503 message to all INVITE and Registration requests. This action will gracefully allow traffic to reroute through redundant paths. Additionally our voice portal at [voice.mwtn.net](http://voice.mwtn.net) will be unavailable during this maintenance. Contact Information: Support Team: [support@mwtcorp.net](mailto:support@mwtcorp.net) | 307-233-8400 We appreciate your understanding and patience as our vendor works to enhance network performance and reliability. .

Duration: 4 hours and 30 minutes

Affected Components: Voice

Apr 13, 05:00:00 GMT+0
Identified - During this time our voice portal at [voice.mwtn.net](http://voice.mwtn.net) will be unavailable to allow for normal maintenance and updates to improve services. App and physical phone users will not be affected. E-Fax users will be able to obtain faxes after this time. Contact Information: Support Team: [support@mwtcorp.net](mailto:support@mwtcorp.net) | 307-233-8400 We appreciate your understanding and apologize for any inconvenience this may cause..

Apr 13, 05:00:01 GMT+0
Identified - Maintenance is now in progress.

Apr 13, 09:30:00 GMT+0
Completed - Maintenance has completed successfully.

Duration: 30 minutes

Affected Components: Network Status

Apr 1, 20:00:00 GMT+0
Completed - Maintenance has completed successfully.

Apr 1, 19:30:01 GMT+0
Identified - Maintenance is now in progress.

Apr 1, 19:30:00 GMT+0
Identified - Summary of Work: Mountain West will be completing emergency maintenance to investigate high error rates on interfaces feeding shared colocation customers. Date and Time of Activity: TODAY - Tuesday, April 1st, 2025 between 13:30 and 14:00 Physical Location of Activity: NAT-EG1 Services Affected: Internet, Data Center - Colocation Expected Down Time: <2 minutes Contact(s): Mountain West Network Operations Center [noc@mwtcorp.net](mailto:noc@mwtcorp.net) | 307-233-8400.

Duration: 10 hours and 11 minutes

Affected Components: Layer 2 Transport, Encampment, Hanna, Network Status, Saratoga, Burns, Medicine Bow, Rock River, Chugwater, Peering, Laramie, Cheyenne, Wheatland

Mar 27, 17:07:12 GMT+0
Identified - A 3rd party provider has identified the possible fiber cut near Cheyenne, WY we're working closely assisting in the restoration of service. We will provide a ETR as we get more information to the full scope of this damage..

Mar 27, 15:38:08 GMT+0
Investigating - We are currently investigating connectivity issues affecting limited customers in some service areas. .

Mar 27, 21:21:04 GMT+0
Identified - Work is being continued to repair the damaged fiber 16km north of Cheyenne. ETR for restoration is currently at or before 8PM, Thursday March 27th..

Mar 27, 16:09:51 GMT+0
Identified - Team are engaged are we are continuing to address this issue, no ETR at this time..

Mar 27, 15:42:45 GMT+0
Identified - We've identified the issue impacting services and are working to restore impacted services..

Mar 27, 22:52:45 GMT+0
Monitoring - We're seeing connectivity restoration across impacted areas. Further impacts may persist until the time frame ends at 8PM due to ongoing work at the damage site. Customers should not need to take any action to restore services. If you are continuing to experience issues, check back here for updates, power cycle your router by removing power for 30 seconds and plug back in. If your service is not restored then, please reach out to our support team at 307-233-8400 however you may experience longer than normal wait times. Thank you for your support and patience. .

Mar 28, 01:49:12 GMT+0
Resolved - This incident has been resolved..

Duration: 40 minutes

Affected Components: Cheyenne

Mar 16, 20:19:51 GMT+0
Investigating - We are investigating this incident. It appears to be a fiber cut. We estimate that it will take 4 hours to resolve..

Mar 16, 20:59:49 GMT+0
Resolved - This incident has been resolved..

Duration: 11 days, 16 hours and 51 minutes

Affected Components: Chugwater, Voice

Mar 17, 17:25:20 GMT+0
Monitoring - Since the Chugwater Telephone number is down, customers can call into 307-233-8400 to reach us..

Mar 26, 15:18:09 GMT+0
Resolved - This incident has been resolved. As of 10:40 p.m. March 25th, all calling features of Chugwater phones are fully functioning. If you are still experiencing problems, please call 307-233-8400 for tech support..

Mar 14, 22:27:00 GMT+0
Identified - We are aware of an outage to phones in Chugwater, Wyoming. We are working to resolve the issue..

Mar 17, 15:42:05 GMT+0
Identified - We have repaired the ability for phones to call out, but incoming calls are still down. We are making progress on this repair..

Mar 14, 23:49:37 GMT+0
Monitoring - We sincerely apologize for the inconvenience caused by the current phone service outage in Chugwater, Wyoming. Please be assured that our team is aware of the issue and is working diligently to restore service as quickly as possible. At this time, we do not have a definitive timeline for resolution. This outage is affecting landline customers only. Please visit our website at [mwtn.net](http://mwtn.net) for updates. We appreciate your patience and understanding as we work to resolve this matter. Thank you for being a valued customer. Sincerely, Chugwater Telephone Company.

Duration: 2 hours and 50 minutes

Affected Components: Alcova, Evansville, Mills, Bar Nunn, Casper, Voice

Mar 2, 21:35:51 GMT+0
Identified - We've identified a high impact fiber cut affecting customers in Casper. Engineering and Outside Plant teams are onsite. Current Estimated Time of Restoration is at or before 6PM.

Mar 2, 22:22:56 GMT+0
Monitoring - Teams have spliced the damage and we are monitoring for any issues..

Mar 2, 23:15:22 GMT+0
Monitoring - We implemented a fix and are currently monitoring the result..

Mar 3, 00:26:10 GMT+0
Resolved - This incident has been resolved..

Duration: 9 hours and 58 minutes

Feb 27, 02:58:27 GMT+0
Completed - Maintenance has completed successfully..

Feb 26, 17:00:01 GMT+0
Identified - Maintenance is now in progress.

Feb 26, 17:00:00 GMT+0
Identified - Summary of Work: Mountain West and our critical power vendor, Vertiv, will be replacing a monitor and control unit on PDU A. This will not affect A-side sub-feed power but does increase risk during the maintenance window. Date and Time of Activity: Wednesday, February 26th, 2025 between 10:00 to 12:00 MST - RESCHEDULED Physical Location of Activity: NAT-EG1 Services Affected: Data Center - Colocation Expected Down Time: None.

Duration: 15 hours and 30 minutes

Affected Components: Layer 2 Transport, Network Status, Voice

Feb 13, 23:00:01 GMT+0
Identified - Maintenance is now in progress.

Feb 13, 23:00:00 GMT+0
Identified - Summary of Work: Mountain West will be completing emergency maintenance on a failed core switch. This should have no impact but does increase risk for services provided. Date and Time of Activity: Tuesday, February 13th, 2025 between 16:00 to 1700 MST Physical Location of Activity: NAT-EG1 Services Affected: Internet, Data Center - Colocation, Voice, Transport Expected Down Time: None.

Feb 13, 23:15:29 GMT+0
Completed - The switch has been replaced and is operating is expected..

Duration: 1 hour

Affected Components: Email

Jan 10, 18:00:00 GMT+0
Completed - Maintenance has completed successfully.

Jan 10, 17:00:00 GMT+0
Identified - Mountain West will be completing upgrades and relocating servers for our hosted email services. Email will be unavailable for a short time during this process. Any emails sent to your inbox during this period will appear once services are restored..

Jan 10, 17:00:01 GMT+0
Identified - Maintenance is now in progress.

Duration: 4 hours

Affected Components: , , Alcova, Webhosting, , , Evansville, Layer 2 Transport, , Encampment, Hanna, Network Status, Network Status, Customer Portal, Saratoga, , , Torrington, Mills, Burns, Email, Medicine Bow, Rock River, Glenrock, Bar Nunn, Casper, Chugwater, Voice, Peering, DNS / rDNS, Laramie, Hawk Springs, Rolling Hills, Cheyenne, Wheatland, Goshen County → Laramie County → Converse County → Platte County → Albany County → Natrona County → Carbon County →

Dec 12, 09:00:00 GMT+0
Identified - Mountain West will be completing upgrades to the configuration on our edge devices to improve resiliency and redundancy on Thursday, December 12th between 2AM and 6AM MST. During this time internet, peering, transport and voice services may be degraded or temporally unavailable during short periods as configuration is tested. If your services are not restored by 6AM MST, please reach out to our support team. **Contact Information:** **Support Team:** [support@mwtcorp.net](mailto:support@mwtcorp.net) | 307-233-8400 We appreciate your understanding and apologize for any inconvenience this may cause..

Dec 12, 09:00:01 GMT+0
Identified - Maintenance is now in progress.

Dec 12, 13:00:00 GMT+0
Completed - Maintenance has completed successfully.

Duration: 2 hours and 41 minutes

Affected Components: Power Systems

Nov 16, 05:38:54 GMT+0
Investigating - We are currently investigating this incident..

Nov 16, 08:19:34 GMT+0
Resolved - This incident has been resolved..

Nov 16, 06:43:47 GMT+0
Monitoring - We've identified a tripped breaker affecting power to some customer services, we're ensuring restoration of affected customers now..

Affected Components: Alcova, Webhosting, Domain Registration, Evansville, Layer 2 Transport, Encampment, Hanna, Environmental Systems, Environmental Systems, Network Status, Network Status, Power Systems, Customer Portal, Saratoga, Torrington, Mills, Burns, Email, Medicine Bow, Rock River, Glenrock, Bar Nunn, Casper, Chugwater, Voice, Peering, DNS / rDNS, Laramie, Hawk Springs, Rolling Hills, Cheyenne, Wheatland, Power Systems

Oct 18, 23:40:26 GMT+0
Resolved - This incident has been resolved..

Duration: 1 hour and 30 minutes

Affected Components: Customer Portal

Oct 3, 13:00:01 GMT+0
Identified - Maintenance is now in progress.

Oct 3, 14:30:00 GMT+0
Completed - Maintenance has completed successfully.

Oct 3, 13:00:00 GMT+0
Identified - We will be performing a system upgrade to our ticket and billing portal on Thursday, October 3rd, at 7 AM. During this time, the portal may be temporarily inaccessible. If you need assistance during this period, please contact our billing or support teams to open tickets, make payments, or request invoices. **Contact Information:** * **Support Team:** [support@mwtcorp.net](mailto:support@mwtcorp.net) | 307-233-8400 * **Billing Team:** [billing@mwtcorp.net](mailto:billing@mwtcorp.net) | 307-233-8400 We appreciate your understanding and apologize for any inconvenience this may cause..

Duration: 11 minutes

Affected Components: Alcova, Webhosting, Evansville, Layer 2 Transport, Network Status, Network Status, Customer Portal, Mills, Email, Bar Nunn, Casper, DNS / rDNS

Sep 10, 15:11:05 GMT+0
Completed - This has been completed with no impacts..

Sep 10, 15:00:00 GMT+0
Identified - During this time, Mountain West will be attempting to recover a failed route processor card in a critical core switch. While we expect no downtime, the following services may be affected: * Casper Colocation * Web Hosting * Domain Registration * Legacy Layer 2 Transport * Customer Portal Access * Hosted Email Services * DNS * A limited number of DIA Internet services in Natrona County For residential or business customers experiencing issues, please contact support at [support@mwtcorp.net](mailto:support@mwtcorp.net) or 307-233-8400. For colocation or hosted service customers, please contact escalations at [escalations@mwtcorp.net](mailto:escalations@mwtcorp.net) or 307-233-8330\. Alternatively, you can reach out to your normal account contacts. This notice will be updated once the process is complete..

Sep 10, 15:00:01 GMT+0
Identified - Maintenance is now in progress.

Duration: 4 hours and 59 minutes

Affected Components: Encampment, Hanna, Saratoga, Medicine Bow, Rock River, Laramie

Sep 5, 06:01:00 GMT+0
Identified - During this time, Mountain West will be completing an upgrade on it's transport systems to improve network stability and increase capacity. Internet and voice services may be partially, or completely unavailable for subscribers. If you are experiencing issues after the completion time of 5:00 AM Thursday, September 5th, please reach out to our support team at 307-233-8400 or [support@mwtcorp.net](mailto:support@mwtcorp.net)..

Sep 5, 11:00:00 GMT+0
Completed - Maintenance has completed successfully.

Sep 5, 06:01:01 GMT+0
Identified - Maintenance is now in progress.

Duration: 2 hours

Affected Components: Wheatland

Jun 19, 11:00:00 GMT+0
Completed - Maintenance has completed successfully.

Jun 19, 09:00:00 GMT+0
Identified - During this time, Mountain West Technologies will be completing an upgrade providing networking enhancements that will impact customer services in Wheatland and surrounding areas. During this time, internet and voice services may be partially, or completely unavailable for subscribers. If you are experiencing issues after the completion time of 5:00 AM Wednesday, June 19th please reach out to our support team at 307-233-8400 or [support@mwtcorp.net](mailto:support@mwtcorp.net)..

Jun 19, 09:00:01 GMT+0
Identified - Maintenance is now in progress.

Duration: 3 hours

Affected Components: Encampment, Hanna, Saratoga, Burns, Medicine Bow, Cheyenne

Apr 25, 14:00:00 GMT+0
Completed - Maintenance has completed successfully.

Apr 25, 11:00:01 GMT+0
Identified - Maintenance is now in progress.

Apr 25, 11:00:00 GMT+0
Identified - During this time, our Engineering team will be completing an upgrade on routing devices that will impact customer services in Carbon and Laramie County. During this time internet and voice services may be partially, or completely unavailable for select subscribers. If you are experiencing issues after the completion time of 8:00 AM Thursday, April 25th please reach out to our support team at 307-233-8400 or support@mwtcorp.net..