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365 Service Alert
11:14 AM
EX1220516: Exchange Online Service Health Incident (Service Degradation)
Users' Outlook for iOS app version 5.2602.0 may crash or freeze on iPad devices. Users'
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EX1220516: Exchange Online Service Health Incident (Service Degradation)
Users' Outlook for iOS app version 5.2602.0 may crash or freeze on iPad devices. Users'
11:14 AM
365 Service Alert
Jan 21
MO1220495: Microsoft 365 suite Service Health Incident (Service Restored)
Users may be unable to access Microsoft 365 services. Users may be unable to access Microsoft 365
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MO1220495: Microsoft 365 suite Service Health Incident (Service Restored)
Users may be unable to access Microsoft 365 services. Users may be unable to access Microsoft 365
Jan 21
365 Service Alert
Jan 21
MO1220495: Microsoft 365 suite Service Health Incident (Service Degradation)
Users may be unable to access Microsoft 365 services. Users may be unable to access Microsoft 365
unread,
MO1220495: Microsoft 365 suite Service Health Incident (Service Degradation)
Users may be unable to access Microsoft 365 services. Users may be unable to access Microsoft 365
Jan 21
365 Service Alert
Jan 21
MO1220495: Microsoft 365 suite Service Health Incident (Investigating)
We're investigating a potential issue affecting Microsoft 365 services. We're investigating a
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MO1220495: Microsoft 365 suite Service Health Incident (Investigating)
We're investigating a potential issue affecting Microsoft 365 services. We're investigating a
Jan 21
365 Service Alert
Jan 8
SP1215831: SharePoint Online Service Health Incident (Service Restored)
Some read-only users may see blank pages for their SharePoint Online sites. Some read-only users may
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SP1215831: SharePoint Online Service Health Incident (Service Restored)
Some read-only users may see blank pages for their SharePoint Online sites. Some read-only users may
Jan 8
365 Service Alert
Jan 8
SP1215831: SharePoint Online Service Health Incident (Service Degradation)
Some read-only users may see blank pages for their SharePoint Online sites. Some read-only users may
unread,
SP1215831: SharePoint Online Service Health Incident (Service Degradation)
Some read-only users may see blank pages for their SharePoint Online sites. Some read-only users may
Jan 8
365 Service Alert
Jan 8
EX1215307: Exchange Online Service Health Incident (Service Restored)
Some users may have been unable to access their mailboxes using Internet Mailbox Access Protocol 4 (
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EX1215307: Exchange Online Service Health Incident (Service Restored)
Some users may have been unable to access their mailboxes using Internet Mailbox Access Protocol 4 (
Jan 8
365 Service Alert
12/23/25
TM1200517: Microsoft Teams Service Health Incident (Post-Incident Report Published)
Users are seeing Microsoft Teams messaging delays and problems with other service functions. Users
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TM1200517: Microsoft Teams Service Health Incident (Post-Incident Report Published)
Users are seeing Microsoft Teams messaging delays and problems with other service functions. Users
12/23/25
365 Service Alert
12/23/25
TM1199346: Microsoft Teams Service Health Incident (Service Restored)
Users may be unable to answer PSTN calls from call queues using any Microsoft Teams client. Users may
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TM1199346: Microsoft Teams Service Health Incident (Service Restored)
Users may be unable to answer PSTN calls from call queues using any Microsoft Teams client. Users may
12/23/25
365 Service Alert
12/22/25
MO1198797: Microsoft 365 suite Service Health Incident (Post-Incident Report Published)
Users in the Asia Pacific region may be experiencing access and sign‑in issues with Microsoft 365 and
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MO1198797: Microsoft 365 suite Service Health Incident (Post-Incident Report Published)
Users in the Asia Pacific region may be experiencing access and sign‑in issues with Microsoft 365 and
12/22/25
365 Service Alert
12/22/25
OD1200498: Microsoft OneDrive Service Health Incident (False Positive)
Users may be unable to open the Microsoft OneDrive app on Samsung Android devices. Users may be
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OD1200498: Microsoft OneDrive Service Health Incident (False Positive)
Users may be unable to open the Microsoft OneDrive app on Samsung Android devices. Users may be
12/22/25
365 Service Alert
12/20/25
TM1200539: Microsoft Teams Service Health Incident (Service Restored)
Some Virtual Desktop Infrastructure (VDI) users were unable to share screen or video during Microsoft
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TM1200539: Microsoft Teams Service Health Incident (Service Restored)
Some Virtual Desktop Infrastructure (VDI) users were unable to share screen or video during Microsoft
12/20/25
365 Service Alert
12/19/25
TM1200539: Microsoft Teams Service Health Incident (Service Degradation)
Some Virtual Desktop Infrastructure (VDI) users may be unable to share screen or video during
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TM1200539: Microsoft Teams Service Health Incident (Service Degradation)
Some Virtual Desktop Infrastructure (VDI) users may be unable to share screen or video during
12/19/25
365 Service Alert
12/19/25
TM1200539: Microsoft Teams Service Health Incident (Investigating)
Some Virtual Desktop Infrastructure (VDI) users may be unable to share screen or video during
unread,
TM1200539: Microsoft Teams Service Health Incident (Investigating)
Some Virtual Desktop Infrastructure (VDI) users may be unable to share screen or video during
12/19/25
365 Service Alert
12/19/25
TM1200517: Microsoft Teams Service Health Incident (Service Restored)
Users are seeing Microsoft Teams messaging delays and problems with other service functions. Users
unread,
TM1200517: Microsoft Teams Service Health Incident (Service Restored)
Users are seeing Microsoft Teams messaging delays and problems with other service functions. Users
12/19/25
365 Service Alert
12/19/25
TM1199570: Microsoft Teams Service Health Incident (Service Restored)
Users may be intermittently unable to place calls using the dial pad from the Microsoft Teams desktop
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TM1199570: Microsoft Teams Service Health Incident (Service Restored)
Users may be intermittently unable to place calls using the dial pad from the Microsoft Teams desktop
12/19/25
365 Service Alert
12/19/25
TM1199346: Microsoft Teams Service Health Incident (Service Degradation)
Users may be unable to answer PSTN calls from call queues using any Microsoft Teams client. Users may
unread,
TM1199346: Microsoft Teams Service Health Incident (Service Degradation)
Users may be unable to answer PSTN calls from call queues using any Microsoft Teams client. Users may
12/19/25
365 Service Alert
12/18/25
TM1199570: Microsoft Teams Service Health Incident (Service Degradation)
Users may be intermittently unable to place calls using the dial pad from the Microsoft Teams desktop
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TM1199570: Microsoft Teams Service Health Incident (Service Degradation)
Users may be intermittently unable to place calls using the dial pad from the Microsoft Teams desktop
12/18/25
365 Service Alert
12/17/25
MO1198797: Microsoft 365 suite Service Health Incident (Service Restored)
Users in Japan and China are experiencing access and sign‑in issues with Microsoft 365 and Microsoft
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MO1198797: Microsoft 365 suite Service Health Incident (Service Restored)
Users in Japan and China are experiencing access and sign‑in issues with Microsoft 365 and Microsoft
12/17/25
365 Service Alert
12/17/25
TM1198582: Microsoft Teams Service Health Incident (Service Degradation)
Some guest users may be unable to unmute their mics in recurring Microsoft Teams meetings when
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TM1198582: Microsoft Teams Service Health Incident (Service Degradation)
Some guest users may be unable to unmute their mics in recurring Microsoft Teams meetings when
12/17/25
365 Service Alert
12/17/25
MO1198797: Microsoft 365 suite Service Health Incident (Service Degradation)
Users in the Japan region are currently experiencing access and sign‑in issues with Microsoft 365 and
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MO1198797: Microsoft 365 suite Service Health Incident (Service Degradation)
Users in the Japan region are currently experiencing access and sign‑in issues with Microsoft 365 and
12/17/25
365 Service Alert
12/15/25
SP1196502: SharePoint Online Service Health Incident (Service Degradation)
Some users may be unable to retrieve e-mail addresses using the SharePoint Online CSOM API. Some
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SP1196502: SharePoint Online Service Health Incident (Service Degradation)
Some users may be unable to retrieve e-mail addresses using the SharePoint Online CSOM API. Some
12/15/25
365 Service Alert
12/11/25
MO1193724: Microsoft 365 suite Service Health Incident (Post-Incident Report Published)
Users in Australia may experience issues accessing Microsoft services including Microsoft Teams and
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MO1193724: Microsoft 365 suite Service Health Incident (Post-Incident Report Published)
Users in Australia may experience issues accessing Microsoft services including Microsoft Teams and
12/11/25
365 Service Alert
12/11/25
MO1193013: Microsoft 365 suite Service Health Incident (Post-Incident Report Published)
Users in Australia may experience issues accessing Microsoft services including Microsoft Teams and
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MO1193013: Microsoft 365 suite Service Health Incident (Post-Incident Report Published)
Users in Australia may experience issues accessing Microsoft services including Microsoft Teams and
12/11/25
365 Service Alert
12/10/25
MO1194105: Microsoft 365 suite Service Health Incident (False Positive)
Users in the Japan region may be unable to access Microsoft 365 services. Users in the Japan region
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MO1194105: Microsoft 365 suite Service Health Incident (False Positive)
Users in the Japan region may be unable to access Microsoft 365 services. Users in the Japan region
12/10/25
365 Service Alert
12/10/25
MO1194105: Microsoft 365 suite Service Health Incident (Investigating)
Users in the Japan region may be unable to access Microsoft 365 services. Users in the Japan region
unread,
MO1194105: Microsoft 365 suite Service Health Incident (Investigating)
Users in the Japan region may be unable to access Microsoft 365 services. Users in the Japan region
12/10/25
365 Service Alert
12/10/25
MO1193724: Microsoft 365 suite Service Health Incident (Service Restored)
Users in Australia may experience issues accessing Microsoft services including Microsoft Teams and
unread,
MO1193724: Microsoft 365 suite Service Health Incident (Service Restored)
Users in Australia may experience issues accessing Microsoft services including Microsoft Teams and
12/10/25
365 Service Alert
12/10/25
MO1193724: Microsoft 365 suite Service Health Incident (Investigating)
Users in Australia may experience issues accessing Microsoft services including Microsoft Teams and
unread,
MO1193724: Microsoft 365 suite Service Health Incident (Investigating)
Users in Australia may experience issues accessing Microsoft services including Microsoft Teams and
12/10/25
365 Service Alert
12/9/25
MO1193724: Microsoft 365 suite Service Health Incident (Service Degradation)
Users in Australia may experience issues accessing Microsoft services including Microsoft Teams and
unread,
MO1193724: Microsoft 365 suite Service Health Incident (Service Degradation)
Users in Australia may experience issues accessing Microsoft services including Microsoft Teams and
12/9/25
365 Service Alert
12/8/25
EX1192586: Exchange Online Service Health Incident (Service Restored)
Some users may be unable to open inbound Secure/Multipurpose Internet Mail Extensions (S/MIME)
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EX1192586: Exchange Online Service Health Incident (Service Restored)
Some users may be unable to open inbound Secure/Multipurpose Internet Mail Extensions (S/MIME)
12/8/25