Washington University

Service Outage - High Severity: Exam Room Computers "Main" Error

Update - WashU IT is investigating reports that exam room computers in multiple locations are experiencing "Main" error messages with text "Cannot read properties of null (reading 'removeListener')". A new version of Epic Hyperspace is in the process of being deployed to affected machines in order to fix the issue. Deployment to affected computers is still at around 25% and should be complete by the end of the weekend.

Teams are working to resolve the issue. Please call 314-933-3333 if you have any questions. We appreciate your patience as we work to restore service.
Jul 23, 2026 - 15:23 CDT

Update - WashU IT is investigating reports that exam room computers in multiple locations are experiencing "Main" error messages with text "Cannot read properties of null (reading 'removeListener')". A new version of Epic Hyperspace is in the process of being deployed to affected machines in order to fix the issue. Approximately 22% of affected computers have received the update, and by the end of today it is expected to reach 25%. Deployment will continue throughout the week and should be complete by the end of the weekend.

Teams are working to resolve the issue. Please call 314-933-3333 if you have any questions. We appreciate your patience as we work to restore service.
Jul 22, 2026 - 12:32 CDT

Monitoring - WashU IT is investigating reports that exam room computers in multiple locations are experiencing "Main" error messages with text "Cannot read properties of null (reading 'removeListener')". A new version of Epic Hyperspace has been tested and is being deployed to ESW computers over the next few days. This is expected to resolve the issue and eliminate the error messages.

Teams are working to resolve the issue. Please call 314-933-3333 if you have any questions. We appreciate your patience as we work to restore service.
Jul 21, 2026 - 16:40 CDT

Update - WashU IT is investigating reports that exam room computers in multiple locations are experiencing "Main" error messages with text "Cannot read properties of null (reading 'removeListener')". BJC engineers and Epic support believe this is a known issue with an update to Epic Hyperspace on ESW workstations last week. Multiple options to restore service are being tested and an additional update will be provided by EOD.

Teams are working to resolve the issue. Please call 314-933-3333 if you have any questions. We appreciate your patience as we work to restore service.
Jul 21, 2026 - 13:40 CDT

Update - WashU IT is investigating reports that exam room computers in multiple locations are experiencing "Main" error messages with text "Cannot read properties of null (reading 'removeListener')". Investigation has pointed to a possible issue with Epic Hyperspace causing the error messages. BJC technical teams are engaging Epic support to further investigate the issue.

Teams are working to resolve the issue. Please call 314-933-3333 if you have any questions. We appreciate your patience as we work to restore service.
Jul 21, 2026 - 11:20 CDT

Investigating - WashU IT is investigating reports that exam room computers in multiple locations are experiencing "Main" error messages with text "Cannot read properties of null (reading 'removeListener')".

Teams are working to resolve the issue. Please call 314-933-3333 if you have any questions. We appreciate your patience as we work to restore service.
Jul 21, 2026 - 09:39 CDT

About This Site

WashU IT's Service Dashboard gives you real-time updates on system performance issues. If you require assistance, please call our Service Desk at 314-933-3333.

School IT Operational

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BJC Devices and Services Partial Outage

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BJC Clinical Applications Partial Outage

BJC Pharmacy Systems Operational

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BJC Handheld Supply Scanners (ATPAR) Operational

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Degraded Performance

Partial Outage

Major Outage

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Past Incidents

Jul 23, 2026

Service Outage: Microsoft 365 Services

Resolved - Microsoft reports that they have resolved the partial Microsoft 365 Services issue and WashU IT has confirmed that services are functioning nominally. If you continue to experience further issues, please contact us at 314-933-3333.

We appreciate your patience during this incident.
Jul 23, 14:19 CDT

Update - We are continuing to work on a fix for this issue.
Jul 23, 14:16 CDT

Update - Washington University IT has identified a vendor outage to Microsoft 365 services that is affecting many organizations including WashU. Microsoft has acknowledged the problem and has taken steps to reroute network traffic in the US West region. They report services are improving and continue to troubleshoot.

Teams are working to resolve the issue. Please call 314-933-3333 if you have any questions. We appreciate your patience as we work to restore service.
Jul 23, 12:26 CDT

Update - Washington University IT has identified a vendor outage to Microsoft 365 services that is affecting many organizations including WashU. Microsoft has confirmed they are aware of the issues

Confirmed Affected Services:
-Whiteboard
-Sharepoint
-Teams Attachments
-One Drive
-One Note
Jul 23, 10:22 CDT

Identified - Washington University IT has identified a vendor outage to Microsoft 365 services that is affecting many organizations including WashU. Microsoft Teams, SharePoint, and Whiteboard have been identified as issues.

Microsoft is working to resolve the issue. Please call 314-933-3333 if you have any questions.

We appreciate your patience as Microsoft works to restore service.
Jul 23, 10:17 CDT

Jul 22, 2026

Jul 21, 2026

Jul 20, 2026

No incidents reported.

Jul 19, 2026

No incidents reported.

Jul 18, 2026

No incidents reported.

Jul 17, 2026

No incidents reported.

Jul 16, 2026

Vendor Service Outage: Canvas (No Box Storage Impact)

Resolved - The Canvas vendor and Amazon Web Services have resolved the technical issue which was impacting Canvas. If you continue to experience further issues, please contact us at 314-933-3333.

We appreciate your patience during this incident.

NOTE: This outage was incorrectly listed on our Status Page as a Box Storage outage; there was no impact to Box Storage during this time.
Jul 16, 07:26 CDT

Monitoring - The Canvas vendor has been working with Amazon Web Services to resolve the service issue affecting Canvas. Potential fixes for the issues have been implemented and the vendor is monitoring to ensure full recovery. Teams are continuing to monitoring the service. If you continue to experience further issues, please contact us at 314-933-3333.

We appreciate your patience during this incident.

NOTE: This outage was incorrectly listed on our Status Page as a Box Storage outage; there was no impact to Box Storage during this time.
Jul 16, 07:10 CDT

Update - WashU IT is investigating an issue with Canvas. The vendor has acknowledged a service outage on their status page (https://status.instructure.com/).

Please call 314-933-3333 if you have any questions.
Jul 16, 03:36 CDT

Investigating - WashU IT is investigating an issue with Canvas. The vendor has acknowledged a service outage on their status page (https://status.instructure.com/).

Please call 314-933-3333 if you have any questions.
Jul 16, 03:33 CDT

Jul 15, 2026

No incidents reported.

Jul 14, 2026

No incidents reported.

Jul 13, 2026

No incidents reported.

Jul 12, 2026

No incidents reported.

Jul 11, 2026

No incidents reported.

Jul 10, 2026

Service Outage - High Severity: Epic Slowness

Resolved - WashU IT and BJC Engineers have identified and resolved the issue affecting Epic and other services. If you continue to experience further issues, please contact us at 314-933-3333.

We appreciate your patience during this incident.
Jul 10, 16:58 CDT

Update - WashU IT is investigating reports from WashU users experiencing slowness with Epic, Sectra and other applications on the BJC network. Technical teams continue to troubleshoot the issues with Cisco support engineers.

Teams are working to resolve the issue. Please call 314-933-3333 if you have any questions. We appreciate your patience as we work to restore service.
Jul 10, 15:31 CDT

Update - WashU IT is investigating reports from WashU users experiencing slowness with Epic, Sectra and other applications on the BJC network. Technical teams continue to troubleshoot the issues and have engaged Cisco technical support for further assistance.

Teams are working to resolve the issue. Please call 314-933-3333 if you have any questions. We appreciate your patience as we work to restore service.
Jul 10, 13:46 CDT

Update - WashU IT is investigating reports from WashU users experiencing slowness with Epic, Sectra and other applications on the BJC network. Technical teams from WashU and BJC continue to troubleshoot the issues and coordinate restorative efforts.

Teams are working to resolve the issue. Please call 314-933-3333 if you have any questions. We appreciate your patience as we work to restore service.
Jul 10, 12:16 CDT

Investigating - WashU IT is investigating reports from WashU users stating that they are experiencing slow response with Epic and Epic printing, as well as possibly other BJC resources. Remote users are also reporting issues. Technical teams have engaged BJC IT for additional assistance.

Teams are working to resolve the issue. Please call 314-933-3333 if you have any questions. We appreciate your patience as we work to restore service.
Jul 10, 10:54 CDT

Jul 9, 2026

No incidents reported.