M365 Service Status (7 degradations at 2026-02-05 03:22)
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Group owners may be unable to modify group memberships in the Global Address Book in the classic Outlook desktop client
Start Time: 2026-02-03 09:15(JST)
Last Update: 2026-02-04 03:33(JST)
Status: Service Degradation
Affected Service: Exchange Online
Distribution Groups may have been able to be modified, but Security
Groups may have been affected.
While we worked towards mitigation, affected users may have been able to utilize
the new Outlook desktop client or Outlook on the web to perform Distribution
Group modifications.
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Some users may be unable to apply video effects in Microsoft Teams
Last Update: 2026-02-04 01:58(JST)
Next Update By: 2026-02-04 05:30(JST)
Status: Service Degradation
Affected Service: Microsoft Teams
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Users don’t see the dial pad on Microsoft Teams Rooms (MTR) on Windows devices
Start Time: 2026-01-30 12:00(JST)
Last Update: 2026-02-03 02:45(JST)
Next Update By: 2026-02-06 04:00(JST)
Status: Service Degradation
Affected Service: Microsoft Teams
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Users’ contacts hidden from the Global Address List (GAL) may not appear in Outlook on the web people search results
Last Update: 2026-02-02 11:13(JST)
Next Update By: 2026-02-03 01:00(JST)
Status: Service Degradation
Affected Service: Exchange Online
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Users may be unable to send subscription emails to external users in Power BI
Start Time: 2026-01-30 03:45(JST)
Last Update: 2026-01-30 05:55(JST)
Next Update By: 2026-01-31 09:30(JST)
Status: Service Degradation
Affected Service: Power BI
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Some users may see stale profile pictures or profile information for other users within Microsoft Teams
Start Time: 2026-01-27 06:00(JST)
Last Update: 2026-01-30 05:30(JST)
Next Update By: 2026-01-30 06:00(JST)
Status: Service Degradation
Affected Service: Microsoft Teams
This issue strictly affects some users attempting to view the profile
picture or information of other users who modified either field after Tuesday,
January 27, 2026, at 9:00 AM UTC.
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Microsoft Teams meeting participants may not be granted permissions to meeting notes added after meeting creation
Last Update: 2026-01-29 05:20(JST)
Next Update By: 2026-01-30 07:00(JST)
Status: Service Degradation
Affected Service: Microsoft Teams
When users add meeting notes from the Microsoft Teams Calendar to a
meeting that has already been created, the meeting participants may not be
granted permissions to view the notes, while the user that added the notes may
be able to access them as expected.
Impact may occur when the admins have enabled the Specific People Link (PSL)
policy.
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Some users may experience PowerPoint slide download failures during Microsoft Teams meeting recordings
Start Time: 2026-02-04 07:15(JST)
Last Update: 2026-02-05 01:54(JST)
Status: Service Restored
Affected Service: Microsoft Teams
Users’ PowerPoint slide download failures resulted in unauthorized
access errors and service unavailability.
As a workaround, users could have used regular screen sharing, which were
captured in recordings.
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Some users may be unable to toggle call queues on or off in the Microsoft Teams web or desktop client
Last Update: 2026-02-05 01:24(JST)
Status: False Positive
Affected Service: Microsoft Teams
As a workaround, users may be able to use the Microsoft Teams mobile
app.
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Some users may be unable to access their mailboxes in Exchange Online via multiple connection methods
Start Time: 2026-02-04 05:39(JST)
Last Update: 2026-02-04 09:35(JST)
Status: Service Restored
Affected Service: Exchange Online
Impacted connection methods included, but may have not been limited
to:
– Outlook on the web
– Messaging API (MAPI)
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Some users may experience issues when utilizing specific Microsoft Copilot (Microsoft 365) intelligence features
Start Time: 2026-02-03 10:50(JST)
Last Update: 2026-02-04 05:07(JST)
Status: False Positive
Affected Service: Microsoft 365 suite
The known Copilot impact scenarios and features within Microsoft 365
services such as Microsoft Teams, Word, Excel, PowerPoint, SharePoint Online,
ClipChamp, and Microsoft Stream are listed below:
Impacted Copilot intelligence features:
– Copilot features within Microsoft 365 apps may have returned delayed
responses, timeout errors, or no results
– Text prediction or Copilot summaries within Microsoft 365 services were
delayed, returned no results, or returned timeout errors.
– Text prediction or ContextIQ queries were delayed, returned no results, or
returned timeout errors.
– Sensitivity auto-labelling may not have been applied as expected.
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Group owners may be unable to modify group memberships in the Global Address Book in the classic Outlook desktop client
Start Time: 2026-02-03 09:15(JST)
Last Update: 2026-02-04 03:33(JST)
Status: Service Restored
Affected Service: Exchange Online
Distribution Groups may have been able to be modified, but Security
Groups may have been affected.
While we worked towards mitigation, affected users may have been able to utilize
the new Outlook desktop client or Outlook on the web to perform Distribution
Group modifications.
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Users may see issues with their templated subscription email in Power BI
Start Time: 2026-01-29 06:21(JST)
Last Update: 2026-02-03 09:52(JST)
Status: Service Restored
Affected Service: Power BI
Specifically, users may have observed that the subscription email
template was altered due to a change rolled out altering the template format.
Customers may have seen additional revisions to this template in the future and
it is recommended to update processes to be resilient to these changes. We
apologize for the disruption this change has caused. Future updates to this
template will be communicated with notice so users can update their processes
appropriately.
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Some users may see stale profile pictures or profile information for other users within Microsoft Teams
Start Time: 2026-01-27 06:00(JST)
Last Update: 2026-02-03 03:36(JST)
Status: Service Restored
Affected Service: Microsoft Teams
This issue strictly affected some users attempting to view the
profile picture or information of other users who modified either field after
Tuesday, January 27, 2026, at 9:00 AM UTC.
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Users may intermittently see a red border after screensharing has been stopped in Microsoft Teams
Start Time: 2026-01-15 12:40(JST)
Last Update: 2026-01-31 07:43(JST)
Status: Service Restored
Affected Service: Microsoft Teams
This specifically affected users of the Microsoft Teams version
26005.204.4249.1621.
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Users routing their Exchange Online email through a third-party protection service may have send and receive delays
Start Time: 2026-01-26 03:00(JST)
Last Update: 2026-01-31 04:31(JST)
Status: Service Restored
Affected Service: Exchange Online
This issue specifically impacted users who use Simple Mail Transfer
Protocol (SMTP) as their Exchange Online connection method and routed their
email messages through a specific third-party email protection service. The
email delays, which impacted both sending and receiving email, occurred in all
Exchange Online connection methods.
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Some users may be unable to access their Exchange Online mailboxes and get POP3 authentication errors
Start Time: 2026-01-28 05:00(JST)
Last Update: 2026-01-30 02:58(JST)
Status: Service Restored
Affected Service: Exchange Online
Affected users were returned an error message stating,
“Authentication failure: unknown username or bad password” when attempting to
access their Exchange Online mailboxes.
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Some users using Microsoft Copilot (Microsoft 365) may not see any responses being generated
Last Update: 2026-01-29 09:29(JST)
Status: False Positive
Affected Service: Microsoft Copilot (Microsoft 365)
Users may see the following error message “Something went wrong.
Please try again.”
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Users may have seen a User Interface (UI) glitch in Microsoft Teams which showed an added bar at the top of each window
Start Time: 2026-01-16 09:00(JST)
Last Update: 2026-01-28 09:05(JST)
Status: Service Restored
Affected Service: Microsoft Teams
This specifically impacted users of WebView2 version 144.0.3719.82 on
Windows 10 devices.
Some users may be required to manually install the latest WebView2 version if it
was not automatically applied. The download is available at the following link:
https://developer.microsoft.com/en-us/microsoft-edge/webview2?form=MA13LH#download
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Some users in Europe may be intermittently unable to utilize Microsoft 365 Copilot experiences
Start Time: 2026-01-27 06:25(JST)
Last Update: 2026-01-28 06:52(JST)
Status: Service Restored
Affected Service: Microsoft Copilot (Microsoft 365)
Users may have seen a “Sorry, something went wrong” error, received
slow Copilot responses and Copilot Chat may have not responded.
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Users may have been unable to delete email messages after running the QUIT command through the POP3 connection method
Start Time: 2026-01-20 02:01(JST)
Last Update: 2026-01-26 05:52(JST)
Status: Service Restored
Affected Service: Exchange Online
Specifically, POP3 users could read and download their email
messages, but any messages they deleted may not have actually been removed,
because the session failed to close properly. If a message was deleted on
Exchange Online using the DELE command, the POP3 QUIT command may have failed,
preventing the session from closing cleanly and caused messages marked for
deletion to remain in the mailbox.
If the user was not using POP3, they were not impacted.
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Some users that are mentioned in list comments in SharePoint Online may not receive email notifications
Start Time: 2026-01-08 09:24(JST)
Last Update: 2026-01-24 10:32(JST)
Status: Service Restored
Affected Service: SharePoint Online
