M365 Service Status (5 degradations at 2026-02-26 00:49)
↑Return_to_index
Users are seeing under reported, inaccurate, or temporarily missing Copilot for Sales data in Microsoft Viva Insights
Start Time: 2025-11-23 09:00(JST)
Last Update: 2026-02-25 11:13(JST)
Next Update By: 2026-03-04 11:00(JST)
Status: Service Degradation
Affected Service: Microsoft Copilot (Microsoft 365)
This affects the following three Copilot for Sales adoption metrics:
– Generate email draft actions taken using Copilot for Sales
– Review CRM record summary actions taken using Copilot for Sales
– Create CRM record actions taken using Copilot for Sales
Those without a premium Copilot for Sales license aren’t included in analyzed
population.
↑Return_to_index
Some users see that after selecting a meeting room when scheduling meetings, it changes from available to unavailable
Last Update: 2026-02-25 11:09(JST)
Next Update By: 2026-02-25 12:30(JST)
Status: Service Degradation
Affected Service: Exchange Online
Specifically, the meeting room selected is incorrectly changing from
available to unavailable in Exchange Online.
Additionally, some users are seeing that room suggestions don’t consistently
reflect configured working hours, especially before and after selecting a room.
↑Return_to_index
Users see autogenerated chats during Public Switched Telephone Network (PSTN) calling scenarios in Microsoft Teams
Last Update: 2026-02-25 10:28(JST)
Next Update By: 2026-02-25 01:00(JST)
Status: Service Degradation
Affected Service: Microsoft Teams
When placing outbound PSTN calls or receiving inbound PSTN calls,
users see a chat thread autogenerated in the Microsoft Teams desktop client and
web app. This also affects Call Queue and Auto Attendant calls.
↑Return_to_index
Users’ auto-decline meeting settings for automatic replies may not be working in Exchange Online
Start Time: 2026-02-23 05:00(JST)
Last Update: 2026-02-24 04:21(JST)
Next Update By: 2026-03-03 09:30(JST)
Status: Service Degradation
Affected Service: Exchange Online
↑Return_to_index
Users may see incorrect results with certain queries when using result set caching in Microsoft Fabric
Start Time: 2025-06-16 09:00(JST)
Last Update: 2026-02-14 06:02(JST)
Next Update By: 2026-02-18 06:00(JST)
Status: Service Degradation
Affected Service: Power BI
This issue may specifically impact results with the queries in Fabric
Data Warehouse and Lakehouse SQL Analytics Endpoint.
While we’re focused on remediation, users can disable result set caching in
Fabric Data Warehouse and Lakehouse SQL Analytics Endpoint.
↑Return_to_index
Some users using the January 2026 Report Server version (1.25.9508.3237) may have encountered access issues
Start Time: 2026-01-21 09:00(JST)
Last Update: 2026-02-26 12:45(JST)
Status: Service Restored
Affected Service: Power BI
Users using the January 2026 Report Server version (1.25.9508.3237)
may have encountered access issues, as certain reports may have triggered
excessive crash dump generation on disks. As a workaround, users could have
downgraded to the September 2025 version (1.15.8377.1837) or deleted the
generated crash dump files due to a known limitation.
↑Return_to_index
Users may experience issues when trying to access services that require Multi-Factor Authentication (MFA)
Start Time: 2026-02-23 11:00(JST)
Last Update: 2026-02-24 03:20(JST)
Status: Investigation Suspended
Affected Service: Microsoft 365 suite
Customers in North America who leverage Cisco/Duo in their MFA
sign-in flow were impacted.
↑Return_to_index
Some users with edit and full control permissions may be unable to access or share some items in SharePoint Online
Start Time: 2025-10-14 12:50(JST)
Last Update: 2026-02-21 04:00(JST)
Status: Service Restored
Affected Service: SharePoint Online
Specifically, this issue impacted files, folders, and list items that
were deleted and recently restored from the recycle bin. Impacted users
attempting to access or share some folders experienced failures in sharing and
permission operations in SharePoint Online.
Additionally, processes that attempted to enumerate permissions on these items
may have seen failures.
Site administrators still had complete access to the content that was been
deleted and restored.
↑Return_to_index
Some users with edit and full control permissions may be unable to access or share some files in Microsoft OneDrive
Start Time: 2025-10-14 12:50(JST)
Last Update: 2026-02-21 03:58(JST)
Status: Service Restored
Affected Service: Microsoft OneDrive
Specifically, this issue impacted files, folders, and list items that
were deleted and recently restored from the recycle bin. Impacted users
attempting to access or share some folders experienced failures in sharing and
permission operations in OneDrive.
Additionally, processes that attempted to enumerate permissions on these items
may have seen failures.
Site administrators still had complete access to the content that was been
deleted and restored.
↑Return_to_index
Users may have been unable to join some Microsoft Teams meetings through the “Join” button in the meeting chat
Start Time: 2026-02-06 09:00(JST)
Last Update: 2026-02-18 08:07(JST)
Status: Service Restored
Affected Service: Microsoft Teams
While we were focused on remediation, users could’ve been able to
join meetings through meeting URLs.
↑Return_to_index
Users’ MailTips may not reflect free/busy correctly in Outlook desktop and crashes may occur when adding mailboxes
Start Time: 2026-01-27 09:30(JST)
Last Update: 2026-02-18 06:11(JST)
Status: Service Restored
Affected Service: Exchange Online
This issue was specific to the Outlook desktop client in
organizations with a hybrid environment that used Exchange Web Services (EWS)
for MailTips. Users may have noticed that the MailTips free/busy feature wasn’t
operating as expected and may have seen an error stating “we can’t show MailTips
right now.”
The Outlook desktop crashes occurred when users attempted to add a new
on-premises mailbox.
Admins may have been unable to create new on-premises mailboxes, and their
cross-tenant AutoDiscover requests general may have failed from hybrid
environments.
While we worked on deploying the fix, admins may have been able to mitigate the
impact by restarting the Autodiscover app pool.
↑Return_to_index
Users may be unable to update or add Copilot Studio agents to Microsoft Teams and Microsoft Copilot (Microsoft 365)
Start Time: 2026-01-13 04:45(JST)
Last Update: 2026-02-18 06:08(JST)
Status: Service Restored
Affected Service: Microsoft Teams
Impacted users received a “permissions needed” error when trying to
update or add Copilot Studio agents from Copilot Studio to Teams and Copilot.
For the adding to Teams impact specifically, this affected organizations where
sideloading and the interaction of custom Microsoft Teams apps were disabled.
This issue had been corrected in the following Teams build versions and updating
to them resolved the issue for users:
North America and Latin America regions – build 20260112.8
Europe, Middle East, Africa, and Asia Pacific regions – build 20260120.9
↑Return_to_index
Users experience failures when importing solutions for Copilot Studio agents containing unstructured knowledge sources
Last Update: 2026-02-18 12:06(JST)
Status: Extended Recovery
Affected Service: Power Apps
Impact may occur when importing a solution or when provisioning the
knowledge sources for the imported agents.
Users will receive the following error message when importing a solution, “Sql
error: Statement conflicted with a constraint…”
Impact is limited to unstructured knowledge sources.
↑Return_to_index
Some users may be unable to access or see Excel data in multiple Microsoft 365 services on the web
Start Time: 2026-01-30 01:00(JST)
Last Update: 2026-02-14 11:50(JST)
Status: Service Restored
Affected Service: Microsoft 365 suite
Specific Microsoft 365 services affected were Power BI and SharePoint
Online, though any Microsoft 365 service that utilized Excel web access may have
been impacted.
The impact scenario for Power BI was that some users may have been unable to
view data when they opened imported Excel workbooks in Power BI workspaces. To
avoid this issue, users could’ve seen the data when they utilized workbooks in
Excel or Excel for the web.
The impact scenario for SharePoint Online was that some users may have been
unable to access or view Excel content on SharePoint Online sites because the
content was blank and greyed out. To avoid this issue, users could’ve opened the
Excel file directly without using web parts.
