Mountain West Technologies Outage History

Type: Maintenance Duration: 5 hours Affected Components: Power Systems Aug 27, 15:19:11 GMT+0 - Identified - During this time, Mountain West and our diesel contractor will be conducting work that was found needing to be done during the preventive maintenance check on Wednesday. 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 [[email protected]](mailto:[email protected]) | 307-233-8400 Aug 28, 14:00:01 GMT+0 - Identified - Maintenance is now in progress Aug 28, 19:00:00 GMT+0 - Completed - Maintenance has completed successfully

Type: Maintenance Duration: 5 hours and 42 minutes Affected Components: Power Systems Aug 26, 14:17:55 GMT+0 - Identified - Maintenance is now in progress. Aug 26, 20:00:00 GMT+0 - Completed - Maintenance has completed successfully Aug 7, 17:51:54 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 [[email protected]](mailto:[email protected]) | 307-233-8400

This incident has been resolved.

Type: Incident Duration: 15 hours and 49 minutes Affected Components: Email Aug 26, 00:04:00 GMT+0 - Investigating - We are currently investigating this incident. Aug 26, 01:35:52 GMT+0 - Identified - We have identified a failure of our primary mail server. We have moved services to our backup server however, DNS records must update as mail fails over to it. This may take up to 12 hours but mail services are restoring. Aug 26, 15:52:35 GMT+0 - Resolved - This incident has been resolved.

This incident has been resolved.

This incident has been resolved.

This incident has been resolved.

Type: Incident Duration: 1 hour and 8 minutes Affected Components: Environmental Systems Jun 29, 16:59:00 GMT+0 - Identified - As of 10:59 MST, CRAC Unit 1 has gone offline due to a high head pressure alarm affecting both compressors. CRAC Unit 2 has assumed the cooling load; however, customers may experience slightly elevated intake temperatures during this time. Our mechanical contractors are on-site reviewing the issue. Updates will be provided shortly. Jun 29, 18:06:57 GMT+0 - Resolved - This incident has been resolved.

This incident has been resolved. Colocation customers that may have had issues please reach out to [[email protected]](mailto:[email protected]) or 307-233-8400 so we can assist in restoration of services.

This incident has been resolved.

This incident has been resolved.

Control wiring was reviewed and a loose relay was located. This with replaced as tested - emergency power is no longer at risk.

Type: Incident 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.

Type: Maintenance 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

Type: Incident 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.

Type: Incident 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.

Type: Maintenance 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 [[email protected]](mailto:[email protected]) 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 [[email protected]](mailto:[email protected]) or your normal support contact.

Type: Incident 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.

Type: Incident 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.