M365 Service Status (4 degradations at 2025-05-10 18:26)

  • [Service Degradation] 2025-05-10 10:55 Users may be erroneously able to see and install Teams-specific apps in Microsoft Copilot (Microsoft 365)
  • [Service Degradation] 2025-05-10 10:51 Users may be erroneously able to see and install Teams-specific apps in Outlook, Word, Excel, and PowerPoint
  • [Service Degradation] 2025-05-08 11:09 Users’ inbound email messages from are quarantined in Exchange Online when they contain attachments
  • [Service Degradation] 2025-05-08 07:09 Some users without a Premium license may not have the option to use eCDN for town hall meetings in Microsoft Teams
  • [False Positive] 2025-05-10 06:23 Some users may be unable to view screens being shared by other users in Microsoft Teams web client
  • [Service Restored] 2025-05-09 07:43 Users’ searches in SharePoint Online may have returned no results
  • [False Positive] 2025-05-09 07:24 Unlicensed users may be unable to access Microsoft Copilot (Microsoft 365) Chat
  • [Service Restored] 2025-05-08 05:06 Some users without a Premium license may not have the option to use eCDN for town hall meetings in Microsoft Teams
  • [Service Restored] 2025-05-07 12:32 Users may have experienced issues with multiple Microsoft 365 services
  • [Service Restored] 2025-05-06 06:32 Users’ SharePoint Online links in Microsoft Teams and Exchange Online aren’t being scanned by Safe Links
  • [Service Restored] 2025-05-06 01:34 Some users may have potential phishing email messages sent to their Junk folder in Exchange Online instead of quarantine
  • [Service Restored] 2025-05-03 05:42 Some users’ saved Outlook calendar views may not be preserved
  • [Service Restored] 2025-05-03 05:07 Some users may be unable to access the “Get agents” link in Microsoft Copilot (Microsoft 365)
  • [Service Restored] 2025-05-03 03:46 Some users may be unable to access Microsoft OneDrive through the app launcher
  • [Service Restored] 2025-05-03 03:43 Some users may be unable to access SharePoint Online through the app launcher
  • [Service Restored] 2025-05-02 05:40 Some users’ inbound email messages sent from Gmail accounts may be incorrectly marked as spam and quarantined
  • [Service Restored] 2025-05-02 04:08 Some users may be unable to access calendar details in Exchange Online for meeting room devices
  • [Service Restored] 2025-04-30 02:01 Some users may be unable to sign in to the Microsoft Defender XDR portal
  • [Service Restored] 2025-04-30 02:57 Users may be unable to start some apps within private channels in Microsoft Teams
  • [Service Restored] 2025-04-29 10:22 Some users may have encountered delays or failures searching in Outlook on the web

  • ↑Return_to_index
    Users may be erroneously able to see and install Teams-specific apps in Microsoft Copilot (Microsoft 365)
    Start Time: 2025-05-02 10:35(JST)
    Last Update: 2025-05-10 10:55(JST)
    Next Update By: 2025-05-11 05:00(JST)
    Status: Service Degradation
    Affected Service: Microsoft Copilot (Microsoft 365)

    This issue may allow users to see and install apps that are blocked
    by your organization’s policies.


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    Users may be erroneously able to see and install Teams-specific apps in Outlook, Word, Excel, and PowerPoint
    Start Time: 2025-05-02 10:35(JST)
    Last Update: 2025-05-10 10:51(JST)
    Next Update By: 2025-05-11 05:00(JST)
    Status: Service Degradation
    Affected Service: Microsoft 365 suite, Exchange Online, Microsoft 365 apps

    Additionally, users may be erroneously able to see and install
    Teams-specific apps in Microsoft Copilot (Microsoft 365).

    This issue may allow users to see and install apps that are blocked by your
    organization’s policies.


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    Users’ inbound email messages from are quarantined in Exchange Online when they contain attachments
    Last Update: 2025-05-08 11:09(JST)
    Next Update By: 2025-05-09 12:00(JST)
    Status: Service Degradation
    Affected Service: Exchange Online


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    Some users without a Premium license may not have the option to use eCDN for town hall meetings in Microsoft Teams
    Start Time: 2025-04-11 02:30(JST)
    Last Update: 2025-05-08 07:09(JST)
    Next Update By: 2025-05-08 09:00(JST)
    Status: Service Degradation
    Affected Service: Microsoft Teams


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    Some users may be unable to view screens being shared by other users in Microsoft Teams web client
    Last Update: 2025-05-10 06:23(JST)

    Status: False Positive
    Affected Service: Microsoft Teams


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    Users’ searches in SharePoint Online may have returned no results
    Start Time: 2025-04-17 09:00(JST)
    Last Update: 2025-05-09 07:43(JST)

    Status: Service Restored
    Affected Service: SharePoint Online

    The issue specifically impacted tenants created on or after Thursday,
    April 17, 2025.


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    Unlicensed users may be unable to access Microsoft Copilot (Microsoft 365) Chat
    Last Update: 2025-05-09 07:24(JST)

    Status: False Positive
    Affected Service: Microsoft Copilot (Microsoft 365)

    Unlicensed users are returned an error message when attempting to
    interact with Copilot Chat, which states: “Looks like you do not have access to
    the Copilot. Contact your administrator to get access to Copilot.”

    The following documentation outlines the updated requirements for eligibility in
    Microsoft Copilot:

    https://learn.microsoft.com/en-us/copilot/manage

    Affected users can follow the following steps to bypass impact:

    – Navigate to the Microsoft 365 Admin Center > Settings > Integrated Apps

    – Locate and click on “Copilot” in the apps list

    – Once the callout panel opens, click ‘Users’ and select the option for ‘All
    users in the organization can install’ or use the group option if desired.


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    Some users without a Premium license may not have the option to use eCDN for town hall meetings in Microsoft Teams
    Start Time: 2025-04-11 02:30(JST)
    Last Update: 2025-05-08 05:06(JST)

    Status: Service Restored
    Affected Service: Microsoft Teams

    Some organizations who had the Enterprise Content Delivery Network
    (eCDN) field updated with a third party eCDN in the ‘Live events settings” page
    may have experienced this issue during the town hall when non-Premium users
    scheduled a town hall.


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    Users may have experienced issues with multiple Microsoft 365 services
    Start Time: 2025-05-06 10:00(JST)
    Last Update: 2025-05-07 12:32(JST)

    Status: Service Restored
    Affected Service: Microsoft 365 suite

    Impacted services included, but were not limited to:

    – Microsoft Teams

    – SharePoint Online

    – OneDrive for Business


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    Users’ SharePoint Online links in Microsoft Teams and Exchange Online aren’t being scanned by Safe Links
    Start Time: 2025-04-18 09:00(JST)
    Last Update: 2025-05-06 06:32(JST)

    Status: Service Restored
    Affected Service: SharePoint Online

    This specifically impacted users with an E5 license.


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    Some users may have potential phishing email messages sent to their Junk folder in Exchange Online instead of quarantine
    Start Time: 2025-05-05 12:16(JST)
    Last Update: 2025-05-06 01:34(JST)

    Status: Service Restored
    Affected Service: Exchange Online


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    Some users’ saved Outlook calendar views may not be preserved
    Start Time: 2025-04-04 05:22(JST)
    Last Update: 2025-05-03 05:42(JST)

    Status: Service Restored
    Affected Service: Exchange Online

    This issue may have impacted users who were leveraging Outlook on the
    web, the new Outlook desktop client experience, or those who have the new
    Calendar enabled in Microsoft Teams.


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    Some users may be unable to access the “Get agents” link in Microsoft Copilot (Microsoft 365)
    Start Time: 2025-04-10 01:34(JST)
    Last Update: 2025-05-03 05:07(JST)

    Status: Service Restored
    Affected Service: Microsoft Copilot (Microsoft 365)

    Affected users may have seen an empty popup window after they clicked
    the “Get agents” link.

    As an alternative while we were focused on mitigation, users could have
    navigated to https://www.microsoft365.com/chat and selected “Apps” from the left
    sidebar, then clicked the “Get more Apps” button in the upper righthand section,
    and, lastly, selected “Agents” in the “Featured” section in the Apps sidebar on
    the left to access agents.


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    Some users may be unable to access Microsoft OneDrive through the app launcher
    Start Time: 2025-04-30 08:36(JST)
    Last Update: 2025-05-03 03:46(JST)

    Status: Service Restored
    Affected Service: OneDrive for Business

    Users reported that they could have bypassed the issue by accessing
    OneDrive content via direct link.


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    Some users may be unable to access SharePoint Online through the app launcher
    Start Time: 2025-04-30 08:36(JST)
    Last Update: 2025-05-03 03:43(JST)

    Status: Service Restored
    Affected Service: SharePoint Online

    Users reported that they could have bypassed the issue by accessing
    SharePoint Online sites via direct link.


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    Some users’ inbound email messages sent from Gmail accounts may be incorrectly marked as spam and quarantined
    Start Time: 2025-04-26 09:00(JST)
    Last Update: 2025-05-02 05:40(JST)

    Status: Service Restored
    Affected Service: Exchange Online

    While we focused on remediation, users and admins may have been able
    to create allow rules to prevent email messages from Gmail senders from going to
    the junk folder.


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    Some users may be unable to access calendar details in Exchange Online for meeting room devices
    Start Time: 2025-04-25 03:30(JST)
    Last Update: 2025-05-02 04:08(JST)

    Status: Service Restored
    Affected Service: Exchange Online


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    Some users may be unable to sign in to the Microsoft Defender XDR portal
    Start Time: 2025-04-30 02:35(JST)
    Last Update: 2025-04-30 02:01(JST)

    Status: Service Restored
    Affected Service: Microsoft 365 suite


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    Users may be unable to start some apps within private channels in Microsoft Teams
    Start Time: 2025-04-11 05:11(JST)
    Last Update: 2025-04-30 02:57(JST)

    Status: Service Restored
    Affected Service: Microsoft Teams

    This impact was limited to the Microsoft Teams desktop and web
    clients. Where possible, affected users could bypass the impact by accessing
    apps in private channels using the Microsoft Teams mobile app.


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    Some users may have encountered delays or failures searching in Outlook on the web
    Start Time: 2025-04-08 03:00(JST)
    Last Update: 2025-04-29 10:22(JST)

    Status: Service Restored
    Affected Service: Exchange Online

    Users may have also seen issues searching in SharePoint Online.