Microsoft Call Queues error

Microsoft indicates that errors may occur in Teams Desktop or web clients when attempting to toggle call queues on or off. As workaround users can use the Microsoft Teams mobile app for call queues.

Microsoft advisory text:

Some users may be unable to toggle call queues on or off in the Microsoft Teams web or desktop client

Issue ID: TM1226863
Affected services: Microsoft Teams
Status: Service degradation
Issue type: Advisory
Start time: Feb 4, 2026, 8:48 AM CST

User impact
Users may be unable to toggle call queues on or off in the Microsoft Teams web or desktop client.

More info
As a workaround, users may be able to use the Microsoft Teams mobile app.

Scope of impact
Some users attempting to toggle call queues in Microsoft Teams may be impacted.

02/04/2026 10:05 AM - Microsoft reports: We’re analyzing support provided information to determine our next troubleshooting steps.
Next update by:
Wednesday, February 4, 2026 at 11:00 AM CST

02/04/2026 10:11 AM - Microsoft reports: Feb 4, 2026, 10:11 AM CST
We’ve identified that a code change contained within a recent service update is causing requests to be sent to an incorrect URL, resulting in impact. We’re reverting the offending service update as a potential remediation action, and anticipate this process will complete by our next scheduled communications update.

02/04/2026 11:08 AM - Microsoft reports: Feb 4, 2026, 11:08 AM CST
We’ve reverted the offending service update and confirmed through monitoring service health telemetry that the impact has been remediated. This is the final update for the event.