YA82214 | Service Restored | Unable to sign in to Yammer. | 10/21/2016 02:07 PM UTC

Title: Unable to sign in to Yammer.

User impact: Users may have been unable to sign in to Yammer.

Final status: We’ve updated the DNS configuration, which has remediated impact.

Scope of impact: A few customers reported this issue, and our analysis indicated that customers with a managed DNS service were more likely to be impacted.

Start time: Friday, October 21, 2016, at 11:55 AM UTC.

End time: Friday, October 21, 2016, at 1:20 PM UTC.

Preliminary root cause: Issues with DNS resolution was impacting availability of the service.

Next steps:
– We’re reviewing our monitoring services to find ways to reduce detection time and to improve our automated recovery processes.

We’ll publish a post-incident report within five business days.

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