[Post Incident Review Report] Unable to sign in to LCS

Post Incident Review Report

On Tuesday, July 5, 2016 at 9:02 AM UTC, internal monitoring detected an issue with the Microsoft Dynamics Lifecycle Services (LCS) preventing users from signing in. Microsoft engineers restarted the impacted LCS servers, restoring service on Tuesday, July 5, 2016 at 11:24 AM UTC.

User Experience
When attempting to sign in to LCS, customers were redirected to the sign in page, without gaining access to their accounts.

Customer Impact
All Dynamics LCS customers

Incident Start Date and Time
Tuesday, July 5, 2016, 9:02 AM UTC

Date and Time Service was Restored
Tuesday, July 5, 2016, 11:24 AM UTC

Root Cause
Root cause is under investigation. Engineers will continue to monitor the LCS sign in portal’s behavior to ensure service stability.

Next Steps
Improve monitoring that will allow early awareness and enable measures for proactive mitigation.