Final Update: Thursday, January 14 2015 07:15 PM UTC
We have taken action to restore the Git server to mitigate the customer impact. DevOps will continue to investigate the root cause of this issue .
Thank you for your patience
Initial Update: Thursday, January 15 2015 07:00 PM UTC
We are currently investigating issues with projects on Codeplex using Git for version control.
We apologize for the inconvenience and appreciate your patience while we resolve the issue.
-MSDN Service Delivery Team