[Post Incident Report] Performance issues after August update


Summary
On Friday, September 2, 2016 at 7:52 AM UTC AM internal monitoring detected that customers would experience delayed load times when attempted to navigate Microsoft Dynamics Lifecycle Services. Microsoft engineers investigating and confirmed the performance issue had been resolved through automated processes, restoring standard functionality on Friday, September 2, 2016 at 9:00 AM UTC.

User Experience
Affected users may have experienced degraded performance when attempting to access or navigate Microsoft Dynamics Lifecycle Services or features.

Customer Impact
All Microsoft Dynamics Lifecycle Services customers worldwide.

Incident Start Date and Time
Friday, September 2, 2016, 7:52 AM UTC

Date and Time Service was Restored
Friday, September 2, 2016, 9:00 AM UTC

Root Cause
An infrastructure component responsible for routing calls to 0365 databases was not responding within the allotted time out period. After three time outs, the connection would fail, resulting in service degradation.

Next Steps
Investigate the cause of intermittent network connectivity timeouts, and how this function can impact LCS portal accessibility.


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