Microsoft 365 Service Status (October 2025)

List of Active and Resolved Service Status by Microsoft for October 2025. Also the history of incidents and advisories that have been resolved.

IsResolved	Id	StartDateTime	LastModifiedDateTime	Service	Title
TRUE	DZ1181600	10/30/2025 3:25	10/30/2025 12:14	Microsoft Defender XDR	Users may have encountered delays of up to several hours for new security alerts in Microsoft Defender for Endpoint
TRUE	MO1181501	10/29/2025 21:30	10/30/2025 6:39	Microsoft 365 suite	Users may have experienced issues when accessing m365.cloud.microsoft or portal.office.com
TRUE	CP1181486	10/29/2025 21:30	10/30/2025 6:39	Microsoft Copilot (Microsoft 365)	Users may have experienced issues when accessing m365.cloud.microsoft or portal.office.com
TRUE	MX1181378	10/29/2025 15:45	10/29/2025 22:35	Power Apps	Users are unable to access Power Platform admin center and http://make.powerapps.com.
TRUE	MO1181369	10/29/2025 15:45	10/30/2025 2:11	Microsoft 365 suite	Users may see issues accessing some Microsoft 365 services and portals
TRUE	FL1181388	10/29/2025 15:45	10/29/2025 23:44	Microsoft Power Automate	Users are experiencing failures across multiple Power Automate scenarios
FALSE	TM1181326	10/29/2025 12:42	10/29/2025 21:43	Microsoft Teams	Some users may experience intermittent crashes when launching the Microsoft Teams desktop app on Windows
FALSE	TM1181149	10/28/2025 19:35	10/28/2025 20:28	Microsoft Teams	Some users may not receive the toast notification when another user answers a call from a Microsoft Teams call queue
FALSE	EX1181125	10/28/2025 17:41	10/30/2025 17:58	Exchange Online	Some users added as members to a Microsoft 365 group in Outlook on the web may be given "Owner" permissions by default
FALSE	TM1180817	10/27/2025 17:56	10/28/2025 6:11	Microsoft Teams	Android users may experience app launch failures or delays for native app bundles in the Microsoft Teams mobile app
TRUE	CP1180735	10/26/2025 23:44	10/27/2025 22:17	Microsoft Copilot (Microsoft 365)	Some users may receive timeouts when attempting to use or access Microsoft Copilot (Microsoft 365)
TRUE	MO1180261	10/26/2025 23:30	10/30/2025 12:16	Microsoft 365 suite	Users in the Asia-Pacific region may experience issues with various Microsoft 365 services
TRUE	TM1180557	10/25/2025 4:15	10/29/2025 16:28	Microsoft Teams	Some users may have been unable to hear text-to-speech during auto-attendant calls in Microsoft Teams
FALSE	EX1180553	10/24/2025 19:00	10/29/2025 16:33	Exchange Online	Some admins are unable to access public folders from the Exchange admin center or PowerShell
FALSE	TM1178123	10/23/2025 8:09	10/31/2025 0:08	Microsoft Teams	Some users leveraging the Microsoft Teams iOS app may see a picture-in-picture window after leaving meetings
TRUE	IT1180739	10/22/2025 20:34	10/27/2025 21:30	Microsoft Intune	Admins can?t load Security Baseline UX or modify assignments for policies under Endpoint Security
FALSE	SP1177145	10/21/2025 20:16	10/29/2025 18:10	SharePoint Online	Some users with edit and full control permissions may be unable to access or share some items in SharePoint Online
FALSE	OD1177143	10/21/2025 19:52	10/29/2025 18:09	Microsoft OneDrive	Some users with edit and full control permissions may be unable to access or share some files in Microsoft OneDrive
TRUE	DZ1178118	10/21/2025 18:59	10/24/2025 0:47	Microsoft Defender XDR	Users may be unable to access Threat Explorer or Advanced hunting and receive an error
TRUE	TM1178840	10/21/2025 16:34	10/30/2025 1:50	Microsoft Teams	Some users may be unable to open the Microsoft Teams desktop client
FALSE	MO1176905	10/21/2025 13:50	10/27/2025 15:01	Microsoft 365 suite	Some admins or users may be unable to access multiple Microsoft 365 services
TRUE	DZ1177186	10/21/2025 13:28	10/28/2025 21:51	Microsoft Defender XDR	Users? Microsoft Defender for Cloud Apps Conditional Access App Control (CAAC) policies may not apply as expected
TRUE	EX1176994	10/20/2025 16:00	10/30/2025 3:40	Exchange Online	Some users may be unable to access their Exchange Online email using Outlook for Mac
TRUE	DZ1176185	10/20/2025 13:30	10/20/2025 19:52	Microsoft Defender XDR	Admins' Microsoft Defender for Endpoint telemetry and alerts in the Microsoft 365 Defender portal may be delayed
TRUE	TM1176003	10/20/2025 7:40	10/20/2025 10:35	Microsoft Teams	Users may have been unable to receive Amazon push (ADM) notifications in Microsoft Teams
TRUE	SP1177136	10/16/2025 22:29	10/21/2025 21:38	SharePoint Online	Users can't aggregate news posts when utilizing a News web part on SharePoint Online pages
TRUE	MO1174110	10/16/2025 22:12	10/17/2025 3:28	Microsoft 365 suite	Users may be unable to access the Microsoft Whiteboard service through the web and receive an error
TRUE	DZ1173767	10/16/2025 7:50	10/16/2025 20:28	Microsoft Defender XDR	Some admins may experience delays of up to two hours in the processing of Microsoft Defender for Cloud Apps activities
TRUE	SP1176212	10/15/2025 18:24	10/21/2025 18:05	SharePoint Online	Users' SharePoint Online Events web part may not be displaying events when users select "See all"
TRUE	MV1172356	10/14/2025 13:30	10/30/2025 11:25	Microsoft Viva	Users may experience intermittent delays or HTTP 429 errors when accessing Microsoft Viva Engage
TRUE	EX1173828	10/14/2025 9:18	10/27/2025 19:55	Exchange Online	Users may be unexpectedly signed out from Outlook on the web when accessing shared mailboxes
TRUE	EX1173600	10/14/2025 3:00	10/20/2025 20:22	Exchange Online	Some users may have the new Outlook client open in their web browser instead of the Desktop client
TRUE	OP1171442	10/13/2025 7:30	10/13/2025 16:22	Microsoft 365 apps	Some users may be unable to access Microsoft 365 applications
TRUE	IT1171406	10/13/2025 5:30	10/13/2025 7:50	Microsoft Intune	Some users in Asia may have experienced failures or retries when checking in or enrolling devices in Microsoft Intune
TRUE	MO1176553	10/13/2025 0:00	10/23/2025 5:45	Microsoft 365 suite	Admins may have been unable to save changes to groups in the Microsoft 365 and Exchange Online admin centers
TRUE	MO1169700	10/10/2025 18:43	10/12/2025 1:28	Microsoft 365 suite	Some admins may be unable to export Microsoft 365 datasets through Microsoft Graph Data Connect
TRUE	MO1169051	10/9/2025 19:43	10/10/2025 1:31	Microsoft 365 suite	Some admin users may not be able to access the Microsoft Intune or Microsoft Entra ID admin center
TRUE	MO1169016	10/9/2025 18:10	10/16/2025 23:55	Microsoft 365 suite	Affected users may be unable to access Microsoft 365 services and features
TRUE	MO1168665	10/9/2025 7:55	10/16/2025 22:46	Microsoft 365 suite	Users were unable to access the admin center and the Entra portal
TRUE	PB1172871	10/9/2025 7:00	10/17/2025 18:28	Power BI	Users may see blank documents after exporting reports to PDF using Power BI Desktop
TRUE	MO1168102	10/8/2025 16:06	10/15/2025 23:42	Microsoft 365 suite	Some users may be unable to access the admin center or leverage Microsoft Entra to access other Microsoft 365 services
TRUE	TM1166675	10/6/2025 9:42	10/6/2025 15:22	Microsoft Teams	Admins may be unable to change user calling settings in the Microsoft Teams admin center or PowerShell
TRUE	MO1166829	10/3/2025 23:00	10/9/2025 3:44	Microsoft 365 suite	Users can't send email or calendar events to OneNote through the "Send to OneNote" add-in in any Outlook client
TRUE	MV1164906	10/3/2025 15:12	10/3/2025 17:47	Microsoft Viva	Some users may encounter delays or timeout errors when accessing group feeds in Microsoft Viva Engage
TRUE	MO1164360	10/2/2025 19:00	10/3/2025 0:53	Microsoft 365 suite	Some admins may not see any products or subscriptions in the Licenses page of the Microsoft 365 admin center
TRUE	TM1164063	10/2/2025 1:14	10/2/2025 14:58	Microsoft Teams	Some users may have been unable to download the correct Microsoft Teams Windows client installer
TRUE	EX1162980	9/30/2025 23:27	10/3/2025 17:33	Exchange Online	Some users experienced errors or failures when accessing their mailbox in one or more Exchange Online connection methods
FALSE	OP1162778	9/30/2025 16:42	10/28/2025 22:11	Microsoft 365 apps	PowerPoint users are unable to open double key encryption (DKE) files on mobile devices
TRUE	DZ1163645	9/29/2025 20:00	10/29/2025 1:37	Microsoft Defender XDR	Some macOS devices with multiple security providers may have no display output
TRUE	MP1162928	9/29/2025 13:10	10/8/2025 17:34	Microsoft Purview	Users? review set pagination options may be missing from Microsoft Purview eDiscovery (Premium)