Microsoft Teams issues on 1/26/2024

Users may be experiencing issues with Microsoft Teams. The following update has been provided by Microsoft:

Microsoft Incident TM710344
Service: Microsoft Teams
Service Degradation

Title: Some users may experience multiple issues with their Microsoft Teams
User impact: Users may experience multiple issues with their Microsoft Teams.
More info: Affected scenarios include, but aren't limited to:
- Users performing a cold boot may not able to log into teams and will see an "oops" page
- Users logging in or unlocking their devices after some time may see missing messages
- Users may fail to load messages in channels and chats
- Users are unable to view or download their media (images, videos, audio, call recordings, code snippets)
- Some messages may experience delays being sent
- Call Recordings might take longer to appear in user's OneDrive for Business and SharePoint Online
- Users may be unable to load previous Copilot history, or new history is not written
- Bots may be unable to download attachments
- Sending and receiving read receipt notifications may be delayed
Microsoft has identified that a portion of the Microsoft Teams service is experiencing a networking issue. They are performing a failover to an alternate infrastructure to remediate impact and estimate this should take approximately an hour to complete.

UPDATE (from Microsoft):

Published Time: 1/26/2024 3:02:49 PM

Current status: Our failover operation did not provide the anticipated relief to end users
in North and South America regions, and we are now working to optimize traffic patterns as part of the mitigation effort. We’re applying configuration changes across the affected network infrastructure to reduce customer impact as quickly as possible.

UPDATE (from Microsoft):

Published Time: 1/26/2024 5:02:00 PM

Current status: Our network and backend service optimization efforts are ongoing and we’re monitoring internal telemetry to confirm that our efforts are effectively reducing the impact to customers. We’re continuing to scale up our services and identify new workstreams intended to remediate this problem more rapidly. Although many customers remain impacted by this issue, we’re seeing a reduction in errors and an increase in availability.
We understand the impact an issue like this can have on your organization, and we appreciate your partnership and patience as we work to remediate this issue.

UPDATE (from Microsoft):

Published Time: 1/26/2024 5:58:25 PM

Current status: We’re continuing to apply mitigations across the affected infrastructure and our telemetry is showing additional improvement in the user experience, though many customers are still affected by this issue. We’re also working to apply fixes to address individual affected Teams features in parallel while our broader remediation strategy is ongoing. We’re evaluating any and all additional workstreams that will allow us to reduce the impact to those customers that are still affected.
We understand the impact an issue like this can have on your organization, and we appreciate your partnership and patience as we work to remediate this issue.

Current status: We’re seeing significant improvements with many of the Teams features affected by this incident as we continue to apply mitigations and optimize traffic. We’re evaluating the remaining impact scenarios and are developing fixes and workstreams to address all lingering impact associated with this event. Please see the “more info” section above for the latest information on each impact scenario.
We understand the impact an issue like this can have on your organization, and we appreciate your partnership and patience as we work to remediate this issue.