M365 Service Status (9 degradations at 2025-08-30 03:49)
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Users may be unable to access sender.office.com
Start Time: 2025-08-28 08:59(JST)
Last Update: 2025-08-30 03:43(JST)
Next Update By: 2025-08-30 04:00(JST)
Status: Service Degradation
Affected Service: Exchange Online
As a result of being unable to access sender.office.com, users may be
unable to delist IP addresses from our anti-spam lists.
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Some users may be unable to schedule Microsoft Teams meetings in Microsoft Teams or Outlook.
Last Update: 2025-08-29 08:16(JST)
Next Update By: 2025-09-02 03:00(JST)
Status: Service Degradation
Affected Service: Microsoft Teams
Users may be unable to schedule Microsoft Teams meetings in the
following clients:
– Microsoft Teams desktop client
– Microsoft Teams web client
– Outlook desktop client
– Outlook on the web
– Outlook mobile app
Users with access to the Microsoft Teams mobile app may be able to bypass impact
and schedule Microsoft Teams meetings using this client while we work to
investigate and resolve this issue.
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Some users may be unable to create meetings from their new calendar in Microsoft Teams
Last Update: 2025-08-28 04:42(JST)
Next Update By: 2025-09-02 04:00(JST)
Status: Service Degradation
Affected Service: Microsoft Teams
Impact is specific to some users who have set a meeting policy where
copilot is disabled and meeting recording is set to ‘On’, which populates the
following error message:
”Couldn’t create a Teams meeting. Send the invite to reserve the time and try
making it a Teams meeting later.”
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Some users may be unable to modify Exchange Online groups in Outlook on the web and encounter an error
Last Update: 2025-08-27 10:05(JST)
Next Update By: 2025-09-04 06:30(JST)
Status: Service Degradation
Affected Service: Exchange Online
Affected users may encounter the following error:
“This doesn’t look right.”
As a workaround, users who have access may be able to utilize the Outlook
desktop client.
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Users may not see updated unread message counts for some folders in Outlook on the web and Outlook for Mac
Start Time: 2025-08-23 08:00(JST)
Last Update: 2025-08-27 04:07(JST)
Next Update By: 2025-08-27 06:00(JST)
Status: Service Degradation
Affected Service: Exchange Online
Users may need to refresh to see updated counts.
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Some users can’t create or publish Assignments in Microsoft OneNote or create a class notebook in a team
Start Time: 2025-08-11 09:00(JST)
Last Update: 2025-08-26 10:48(JST)
Next Update By: 2025-09-02 10:30(JST)
Status: Service Degradation
Affected Service: Microsoft 365 apps
In addition, users are unable to create notebooks in Microsoft
OneNote Class Notebook.
While we’re focused on remediation, users should follow this article
(https://support.microsoft.com/en-us/topic/provisioning-classes-at-scale-using-powershell-and-microsoft-graph-3428f18f-ff38-4c46-a696-3318e463cbec)
for provisioning through PowerShell and Microsoft Graph.
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Some users may see the time indicator on their calendars isn’t reflecting accurately or updating
Start Time: 2025-08-04 09:00(JST)
Last Update: 2025-08-26 07:37(JST)
Next Update By: 2025-08-28 08:00(JST)
Status: Service Degradation
Affected Service: Exchange Online
Impact is specific to users’ calendars on the new Outlook desktop
experience and Outlook on the web.
Affected users can restart the impacted Outlook client to have the time
indicator sync and reflect accurately.
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Some users may be unable to send or receive email from the Outlook mobile app on their devices
Start Time: 2025-08-14 04:32(JST)
Last Update: 2025-08-22 07:44(JST)
Next Update By: 2025-08-22 09:30(JST)
Status: Service Degradation
Affected Service: Exchange Online
Affected users would be utilizing Hybrid Modern Authentication (HMA).
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Some users may see a blank screen during meetings and calls from the Microsoft Teams desktop version
Start Time: 2025-08-11 04:30(JST)
Last Update: 2025-08-22 04:43(JST)
Next Update By: 2025-08-22 09:00(JST)
Status: Service Degradation
Affected Service: Microsoft Teams
This issue is limited to users who are on devices that leverage
certain versions of Intel driver 32.0.101.69xx (including but not limited to,
32.0.101.6913, 32.0.101.6987, and 32.0.101.6989). Impacted users may see that
Microsoft Teams freezes for some time, and then it automatically recovers. For
those that need immediate remediation, our telemetry indicates that version
32.0.101.6790 of the Intel driver reproduces this issue the least.
Affected users can use the Microsoft Teams web app as a workaround until this
issue is addressed.
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Users may be unable to view the combined chat and channel view in Microsoft Teams
Start Time: 2025-08-18 04:00(JST)
Last Update: 2025-08-29 09:18(JST)
Status: Service Restored
Affected Service: Microsoft Teams
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Some users were unable to access or open any Microsoft Office files within Microsoft Teams
Start Time: 2025-08-28 05:49(JST)
Last Update: 2025-08-28 04:40(JST)
Status: Service Restored
Affected Service: Microsoft Teams
Any attempt to open, view, or access Microsoft Office files within
the Microsoft Teams service including team channels and tabs would have failed.
While we focused on remediation, affected users were able to open impacted files
by selecting the alternate “Open in desktop” or “Open in browser” options as a
workaround.
Impact was specific to Microsoft Office documents embedded into Microsoft Teams.
Specifically, this affected products such as Microsoft Word, Microsoft Visio,
Microsoft Excel, Microsoft PowerPoint, and Microsoft OneNote files.
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Investigating user reports of Microsoft Copilot issues
Last Update: 2025-08-28 06:57(JST)
Status: False Positive
Affected Service: Microsoft Copilot (Microsoft 365)
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Some users may be unexpectedly disconnected when accessing multiple Microsoft 365 services
Start Time: 2025-08-27 10:30(JST)
Last Update: 2025-08-28 01:31(JST)
Status: Service Restored
Affected Service: Microsoft 365 suite
Affected Microsoft 365 services included but may not have been
limited to the following:
– Microsoft Teams
– Outlook
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Users are experiencing intermittent failures with the Office 365 Outlook connector actions
Last Update: 2025-08-27 10:01(JST)
Status: False Positive
Affected Service: Power Platform
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Some on-premises users may be unable to send or receive Exchange Online email messages on iOS and Android mobile devices
Last Update: 2025-08-26 12:53(JST)
Status: False Positive
Affected Service: Exchange Online
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Some users were experiencing delays and failures with flow operations and management
Start Time: 2025-08-25 09:23(JST)
Last Update: 2025-08-25 05:29(JST)
Status: Service Restored
Affected Service: Microsoft Power Automate in Microsoft 365
Both the Microsoft Power Apps and Power Automate services were
affected.
The following scenarios were affected by this event:
– Cloud flow management failures
– Desktop flow management failures
– Flow run delays and failures
– Delays when viewing the Flows page in Power Apps
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Delays and failures with flow operations and management in Japan region
Last Update: 2025-08-25 05:12(JST)
Status: Service Restored
Affected Service: Power Platform
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Users in Japan may be unable to access various Microsoft 365 services
Last Update: 2025-08-25 10:48(JST)
Status: False Positive
Affected Service: Microsoft 365 suite
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Users are intermittently unable to utilize Microsoft Power Platform connectors
Start Time: 2025-08-22 08:32(JST)
Last Update: 2025-08-22 01:31(JST)
Status: Service Restored
Affected Service: Microsoft 365 suite
Users may have seen HTTP 500, 502, 504, and 520 error response codes.
The following services were affected by this issue:
Microsoft Power Apps
Microsoft Power Automate
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Power Platform – Connectors in the Japan region are intermittently failing
Last Update: 2025-08-22 01:14(JST)
Status: Service Restored
Affected Service: Power Platform
Failures may have returned HTTP 500, 502, 504 and 520 response code
messages.
The following services were affected by this event:
Power Apps
Power Automate
Copilot Studio
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onedriveforbusiness connector flows and apps failing
Last Update: 2025-08-22 12:59(JST)
Status: Service Restored
Affected Service: Power Platform
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office365 connector flows and apps failing
Last Update: 2025-08-22 12:44(JST)
Status: Service Restored
Affected Service: Power Platform
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googlecalendar connector flows and apps failing
Last Update: 2025-08-22 12:12(JST)
Status: Service Restored
Affected Service: Power Platform
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outlook connector flows and apps failing
Last Update: 2025-08-22 12:07(JST)
Status: Service Restored
Affected Service: Power Platform
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onenote connector flows and apps failing
Last Update: 2025-08-22 11:54(JST)
Status: Service Restored
Affected Service: Power Platform
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A small number of users’ Microsoft Teams app may intermittently crash during calls or meetings on some iPad devices
Start Time: 2024-05-13 07:00(JST)
Last Update: 2025-08-22 05:22(JST)
Status: Service Restored
Affected Service: Microsoft Teams
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Some users were unable to create or access public folders through the Outlook desktop client and Outlook on the web
Start Time: 2025-08-14 09:00(JST)
Last Update: 2025-08-21 04:28(JST)
Status: Service Restored
Affected Service: Exchange Online
Some users were also reporting failures when attempting to delete
public folder subfolders and are experiencing public folder permission delays.
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Users may be unable to open folders or add documents using the Document Library web part in SharePoint Online
Start Time: 2025-08-21 06:00(JST)
Last Update: 2025-08-21 04:08(JST)
Status: Investigating
Affected Service: SharePoint Online
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Users may be unable to create datasets with Dataflow connectors in the August 2025 version of Power BI Desktop
Start Time: 2025-08-11 09:00(JST)
Last Update: 2025-08-21 07:13(JST)
Status: Service Restored
Affected Service: Power BI
This issue was affecting a specific scenario for users that were
using the August 2025 Power BI Desktop to create datasets with Dataflow
connectors that were connecting to Gen1 Dataflows with the Enhanced compute
engine. This operation would fail if the user was using DirectQuery when
creating this dataset.
While we’re focused on remediation, users may have been able to use the July
2025 or previous version of the Power BI Desktop to avoid the impact.
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Some users may be unable to access Office.com
Start Time: 2025-08-20 10:12(JST)
Last Update: 2025-08-21 04:11(JST)
Status: Service Restored
Affected Service: Microsoft 365 suite
Additionally, users may have been unable to access
m365.cloud.microsoft, which may have impacted Microsoft Copilot access
(https://m365.cloud.microsoft/chat). Users were still able to access Copilot
through alternate methods, such as:
– Microsoft Copilot for Microsoft 365 app
– Microsoft 365 apps (including Microsoft Teams and Office Apps)
