Investigating issues with Search in Visual Studio Team Services - 2/2 - Resolved

We've confirmed that all systems are back to normal with no customer impact as of 02 Feb 2016 04:45 AM UTC. Our logs show the incident started on 02 Feb 2016 04:05 AM UTC and it took 40 min to resolve the issue. 

• Root Cause: There was an upgrade for search service which introduced failure condition. 
• Chance of Re occurrence: Low. We are aware of the issue and will take necessary steps to avoid another occurrence,

We are actively investigating issues with Search functionality in VS Team Services. Subset of customers in US region may experience errors while performing search operations. 

We are working to resolve this issue and apologize for any inconvenience.