Microsoft 365 storing

We’ve started to deploy the fix which is currently progressing through the affected environment. While this progresses, we’re beginning manual restarts on a subset of machines that are in an unhealthy state.

We’ve identified a recent change which we believe has resulted in impact. We’ve begun to revert the change and are investigating what additional actions are required to mitigate the issue.

While we’re continuing the restarts to improve service availability, we’re thoroughly analyzing recent changes and the specific failure path to determine the next steps required to resolve the issue.

Er is door Microsoft een storing gemeld op het 365 platform.

We’re investigating an issue impacting users attempting to access Exchange Online or functionality within Microsoft Teams calendar. For more information, please refer to MO941162 in the admin center.

Klanten klagen over time outs binnen Outlook, waardoor mails, agenda items, contacterpsonen en taken  niet worden verzonden en ontvangen.

Users unable to access their Exchange Online mailboxes or their calendar functionality in Microsoft Teams

Issue ID: MO941162
Affected services: Exchange Online, Microsoft 365 suite, Microsoft Teams
Status: Service degradation
Issue type: Incident
Start time: Nov 25, 2024, 3:54 AM GMT+1

User impact
Users may be unable to access their Exchange Online mailboxes or their calendar functionality in Microsoft Teams.

More info
The affected scenarios are as follows:

Users may be unable to access Exchange Online using the following impacted connection methods:
– Outlook on the web
– Outlook desktop client
– Representational State Transfer (REST)
– Exchange ActiveSync (EAS)

Users may also be unable to access or modify their calendar in Microsoft Teams. This would include loading calendar, viewing meetings, creating/updating meetings and joining meetings.

Scope of impact
Some users may intermittently be affected by this issue when attempting to access their mailboxes using any connection method in Exchange Online or attempting to use their calendar in Microsoft Teams.

Preliminary root cause
A portion of infrastructure which supports mailbox and calendar functionality isn’t operating as expected, resulting in impact.

Current status
Nov 25, 2024, 9:54 AM GMT+1
While we’re continuing the restarts to improve service availability, we’re thoroughly analyzing recent changes and the specific failure path to determine the next steps required to resolve the issue.
Next update by:
Monday, November 25, 2024 at 12:00 PM GMT+1