Final Update: Friday, 25 December 2015 12:09 UTC
There was an issue with our VSTS platform where a very small percentage of customers experienced timeouts for 35 minutes. The issue started on 25 December 2015 10:17 UTC, as of 25 December 2015 10:53 UTC there is no customer impact and all systems are back to normal and the issue has been resolved.
We understand that customers rely on VS Team Services as a critical service and apologize for any impact this incident caused.
Sincerely,
VS Team Services Service Delivery Team