We've received reports of users being unable to access Microsoft Teams or leverage any features. We're investigating the issue and further updates can be found in your Service Health Dashboard via TM402718.
We're investigating an issue affecting access to multiple Microsoft 365 services. We're working to identify the full impact and will provide more information shortly.
We’ve determined that a recent deployment contained a broken connection to an internal storage service, which has resulted in impact. We’re working to direct traffic to a healthy service to mitigate impact. Additional information can be found in the admin center under TM402718.
We're investigating an issue for access to multiple M365 services. Please visit the admin center post M0244568 for more information. We'll provide additional information here as it becomes available.
We've identified a potential networking issue and are reviewing telemetry to determine the next troubleshooting steps. You can find additional information on our status page at or on SHD under MO502273.
We’re investigating an issue with email message visibility in Outlook. Outlook on the web appears to be unaffected. More details can be found under EX255650 in the admin center.
We've determined that an authentication certificate has expired causing, users to have issues using the service. We're developing a fix to apply a new certificate to the service which will remediate impact. Further updates can be found under TM202916 in the admin center.
We're investigating an issue where users are unable to access application shortcuts on the Start menu and Taskbar in Windows. For more details and updates, please follow the SI MO497128 in your admin center.
We're investigating an issue where users may be unable to access Microsoft Teams. We're reviewing systems data to determine the cause of the issue. More information can be found in the Admin center under TM202916
We're not observing an increase in successful connections after rolling back a recent change. We're working to evaluate additional mitigation solutions while we investigate the root cause. Please visit for additional information on this issue.
We’re investigating reports of an issue where some users in the EMEA region are unable to access one or more Microsoft 365 services. Please follow the SI MO737187 in your admin center for more details. Majority of the reports are coming from South Africa and the United Kingdom.
We’re rerouting traffic to alternate infrastructure to improve the user experience while we continue to investigate the issue. Please visit for additional information.
Our telemetry indicates that Microsoft Teams functionality is beginning to recover. We're continuing our efforts to implement relief within the environment. Additional information can be found under TM402718, MO402741, or at .
We’re investigating an issue preventing users from seeing the Microsoft Teams toolbar during calls. Additional information can be found in the admin center under TM298411.
We’ve isolated the problem to networking configuration issues, and we're analyzing the best mitigation strategy to address these without causing additional impact. Refer to the admin center MO502273 or for more information.
We're investigating an issue in which users may be unable to access Microsoft 365 services and features. We'll provide additional information as soon as possible.
We've identified a recent change that appears to be the source of the issue. We're rolling back the change to mitigate impact. Please follow for updates on this issue if you are unable to access the admin portal.
We're investigating access and service issues for Outlook. More information will be provided in the admin center under EX512238 as it becomes available.
We're continuing to monitor the recovery across the service and some customers are reporting mitigation. We’re also connecting the service to additional infrastructure to expedite the recovery process.
We’re investigating an issue affecting user access to Teams services and functionality for customers hosted within the Asia-Pacific region. Please refer to TM512596 in the Microsoft 365 admin center for further details.
We're investigating an issue in which users may be unable to access Microsoft Teams or features within North America, Canada and Brazil. For more information, please see TM710900 in the admin center.
We are currently rolling out a mitigation worldwide. Customers should begin seeing recovery at this time, and we anticipate full remediation within 60 minutes. Additional information can be found at or under MO244568 if available.
We've identified an issue with a recent change to an authentication system. We’re rolling back the update to mitigate impact, which we expect will take approximately 15 minutes. Additional information can be found at or under MO244568 if available.
We've rolled back the change that is likely the source of impact and are monitoring the environment to validate that service is recovering. Please visit for additional information on this issue.
We've confirmed that the impacted services have recovered and remain stable. We're investigating some potential impact to the Exchange Online Service. Further, updates on the Exchange investigation will be available in your admin center under the SI# EX502694.
We've identified downstream impact to multiple Microsoft 365 services with Teams integration, such as Microsoft Word, Office Online and SharePoint Online. We're providing updates for those services via MO402741 in the admin center or through .
We're investigating an issue affecting access to Microsoft 365 services. Users may see impact to Microsoft Teams, Outlook, SharePoint Online, OneDrive for Business, and . More details available at .
We’re seeing improvement for multiple services after applying mitigation steps and we’ll continue monitoring the services to ensure full recovery. Please visit for additional information.
We're investigating an issue where legitimate URL links are being incorrectly marked as malicious by the Microsoft Defender service. Additionally, some of the alerts are not showing content as expected. Further details can be found under DZ534539 within the admin center.
We're investigating access issues with Microsoft 365 Online apps and the Teams admin center. Further information can be found under OO544150 within the Microsoft 365 admin center.
We’ve confirmed that this issue affects users globally. We’re reviewing monitoring telemetry and recent changes to isolate the source of the issue. More information can be found under TM252802 in the admin center.
We're investigating an issue where some users may be unable to access Microsoft Teams using web browsers. Further details can be found under TM612617 in the admin center.
We've determined that impact associated with MO571683 and EX571516 has reoccurred and are investigating the cause. We'll be providing updates related to this event under MO572252 in the admin center.
We're investigating an issue with images not loading in Microsoft Teams chats and channels. For more information, please look for TM299667 within the admin center.
We've identified a networking issue impacting a portion of the Teams service and we're performing a failover to remediate impact. Additional information can be found under TM710344 in the admin center.
We're investigating an incident affecting Microsoft Teams. Users may encounter delays or failures sending and receiving messages. For more details, please see TM675041 on the Service Health Dashboard in the admin center.
We're investigating an issue where users may experience delays when attempting to view images within Microsoft Teams. Please look for TM707827 in the admin center for more details.
We've identified and corrected a DNS configuration issue that prevented users from accessing Microsoft 365 services. Further details can be found in the admin center under SP178746, OD178975, and MO178979.
We've identified a performance issue in a portion of infrastructure that is causing delays or navigation errors on various Microsoft 365 services including SharePoint Online, OneDrive for Business and Microsoft Intune. More details can be found via MO767838 in the admin center.
We've completed the failover in the EMEA region and service telemetry is showing some improvement. The failovers for the North and South America regions are ongoing and we continue to monitor. Additional information can be found under TM710344 in the admin center.
We’re aware of and investigating an issue wherein some users in the Japan region may be unable to access Microsoft Teams using any connection method. More information is available under the post TM419392 within the M365 admin center.
The process to roll back the change is taking longer than expected. We'll provide an ETA as soon as one becomes available. Additional information can be found at or under MO244568 if available.
We're investigating an issue with Multi-Factor Authentication that is preventing some users from accessing Microsoft 365 services. Additional information will be provided in the admin center under MO287933.
The update has finished deployment to all impacted regions. Microsoft 365 services are showing decreasing error rates in telemetry. We’ll continue to monitor service health status. Additional information can be found at .
We’ve identified the root cause and are applying a fix, which will reach affected users over the next 3 to 4 hours. Users will need to restart the Outlook client to apply the fix after it's received. We expect to restore service to affected users by May 12, 2021, at 3:00 AM UTC.
We’re currently working on a fix to address an issue causing delays receiving external email messages in Exchange. Additional details and updates will be provided in the admin center under EX680695.
We’re investigating an issue where users with specific conditional access policies applied may be unable to access any Microsoft 365 service. We’re reverting a recent change to mitigate impact. For more details please look for MO531859 in the admin center.
We’ve identified an issue within our backend infrastructure that could be causing downstream impact to multiple services across Microsoft. Additional information can be found within the Microsoft 365 admin center under MO455301.
We're investigating reports of an issue where some users in the Europe region are unable to access the Microsoft 365 admin portal. Updates will be provided through
We're investigating an issue where users may be unable to access their files within Microsoft 365 services. More details are available under MO295728 in the admin center.
We're investigating messaging-related functionality problems within Microsoft Teams. Please refer to TM206544 in your admin center for further details. ^JP
We're investigating a reported issue in which some incoming Microsoft Teams calls may be sent straight to voicemail. We'll be providing updates under TM261472 in the admin center.
We're investigating an Outlook for the web access issue affecting our customers in North America. Please refer to the Service Health Dashboard in the admin center under EX610644 for more details.
We're investigating an issue where some users may experience a delay in sending and receiving messages in Microsoft Teams. We're analyzing diagnostic data to isolate the root cause. Please look for TM495986 in the admin center for more details and further updates on the issue.
We've received reports of users being unable to access Microsoft Power Apps. We're investigating further and will provide updates via MM690215 in the Microsoft 365 admin center.
We're aware of and investigating an issue affecting access to SharePoint and OneDrive. Further details can be found in the admin center under SP178746 and OD178975.
We're investigating an issue where users may be unable to use the search functionality in multiple Microsoft 365 services. Further information can be found under MO545600 within the Microsoft 365 admin center.
We've identified that multiple Microsoft 365 services are affected and we're actively looking for the swiftest means of restoring access. Please refer to for details, or MO196220 in the admin portal, if accessible.
We're working on an issue were some users may be unable to access OneDrive. Our investigation has identified an API issue within the OneDrive infrastructure is causing impact. We're working to identify mitigation actions to remediate impact.
We're investigating an issue resulting in admins receiving an unexpected volume of copies of outbound email sent to external parties from other users in their organization. Additional details can be found in the admin center under EX682041.
We're investigating an issue where some users in the UK and Germany may be unable to access Microsoft 365 services. We're looking at diagnostic data to identify the underlying cause. For more details please look for MO688737 in the admin center.
We're investigating reports of an issue with repeated admin notifications flooding mobile devices. Some admins are also experiencing delays or unable to open admin center. We'll provide additional information shortly.
We're investigating an issue where users are receiving Test notifications on their mobile devices. Further updates will be provided under the SI TM221041 in your admin center.
We're investigating an issue with opening files within SharePoint Online, OneDrive for Business and Microsoft Teams. Information can be found in the admin center under SP360511, OD360523, and TM360526.
We're investigating an issue affecting access to SharePoint Online and OneDrive for Business. Further detail can be found in the Microsoft 365 admin center under SP659992 or OD659999.
We're investigating an issue where some users in North America are unable to access Microsoft 365 services. We're analyzing network trace logs to isolate the source of the issue. Please visit your admin center and look for MO498385 for further updates.
We're investigating reports of issues accessing some Microsoft 365 services, and we're reviewing our service telemetry to determine next troubleshooting steps. For more information, please see MO790828 in the admin center.
We're investigating an issue wherein users may be unable to access their Exchange Online mailboxes via any connection method. Additional details can be found within the Service Health Dashboard under EX522020.
We've identified the underlying cause of the problem and are taking steps to mitigate impact. We'll provide an updated ETA on resolution as soon as one is available. Additional information can be found at or under MO244568 if available.
We’re investigating an issue affecting users’ ability to log into Outlook. Additional updates will be provided in the admin center under EX305722 or through
We're investigating an issue where some users may be unable to send Exchange Online email messages due to a recent change to the free/busy infrastructure. We're identifying a plan to resolve the impact. Further details can be found under EX649175 in the admin center.
We've confirmed that this issue could be affecting users worldwide. Additional information can be found at , or if available, under MO244568 in the admin center.
We've identified and reverted a networking build that caused user traffic from the internet to Microsoft 365 services to intermittently fail, and are seeing early signs of recovery. Refer to for additional details, or MO196220 in the admin dashboard.
We’re continuing to see significant improvement for affected services and most users should be experiencing relief. Additional details can be found at .
We're investigating an issue in which some users may be receiving an error when attempting to access Microsoft 365 services in the Oceania region. Additional details can be found in the admin portal under MO216274.
We've identified a recent change was causing the toolbar to be inaccessible. We reverted the change and we recommend all users sign out and sign back into their clients to resolve the issue. Further details can be found in the admin center under TM298411.
We're investigating an issue in which some users are experiencing delays or connection issues when accessing the Exchange Online service. Please see EX394347 in the admin center for more information.
We’ve identified the root cause and performed mitigation actions. We’re seeing signs of recovery and will continue to monitor the service. Users still experiencing impact should restart their clients to expedite recovery. Further details can be found under TM252802.
The majority of services are now recovered for most users. We’re closely monitoring some residual impact for a subset customers located within North America. Please visit for additional information.
We've initiated the deployment of the updated certificate and are monitoring service health as the fix progresses. Additional information can be found under TM202916 in the admin center.
We're investigating a potential issue with Exchange Online mailflow in North America. Further information can be found under EX252124 in the admin center.
After extended monitoring and various optimizations and mitigation efforts, we’ve confirmed that our Microsoft Teams service and features have been restored or have returned to optimal health. Full detail is available in the Microsoft admin center under TM710344.
We're investigating an issue where users in Europe are unable to join meetings within Microsoft Teams. For further updates, please look for TM686714 in the admin center.
We're investigating a service issue causing various impact to Microsoft Intune. Additional information can be found in the admin center under IT718712.
We’ve confirmed that the residual issue has been addressed and the incident has been resolved. Any users still experiencing impact should be mitigated shortly. Additional details can be found in the admin center under MO222965 or
We're investigating an issue in which users located in North America may be experiencing delays when receiving chat messages within Microsoft Teams. Additional information can be found in the admin center under TM240228.