YA96615 | Service Restored | Can’t access Yammer | 3/16/2017 07:51 PM UTC

Title: Can’t access Yammer

User impact: Users may have been unable to access Yammer

Final status: We’ve identified that a caching issue on infrastructure that facilitates access to the Yammer service may have prevented users from accessing the service. We’ve deployed a fix to resolve the underlying issue and have confirmed that service has restored. Additionally, we’ve identified that your users may see incorrect group member counts for the next hour until the fix propagates through the affected environment.

Scope of impact: While we weren’t aware of any customer reports of impact, our monitoring indicated that any user that attempted to access Yammer may have been affected.

Start time: Thursday, March 16, 2017, at 6:42 PM UTC

End time: Thursday, March 16, 2017, at 7:30 PM UTC

Preliminary root cause: A caching issue on infrastructure that facilitates access to the Yammer service may have prevented users from accessing the service.

Next steps:
– We’re reviewing our infrastructure caching procedures to find ways to prevent this problem from happening again.

This is the final update for the event.

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