Title: Can’t sign into Yammer.
User impact: Users may have been unable to sign in to Yammer.
Final status: We’ve identified that there were connectivity issues between networking and sign-in components. We reset connectivity sessions, which remediated impact.
Scope of impact: A few customers reported this issue, and our analysis indicated that this issue may have potentially affected any of your users attempting to use the Yammer service.
Start time: Thursday, October 20, 2016, at 7:10 AM UTC
End time: Thursday, October 20, 2016, at 8:08 AM UTC
Preliminary root cause: There were connectivity issues between networking and sign-in components.
– We’re analyzing performance data and trends on the affected systems to help prevent this problem from happening again.
This is the final update for the event.