Upgrading TFS 2010 which has Sql 2008 R2 SP1 to TFS 2012 - SQL server 2012 is failing.
THe installation & configuration of TFS succeeded, however upgrading the data was unsuccessful.
The error details are attached & the description is "cannot insert duplicate key row in object dbo.constantswith unique indesx IX_Constants_String_RemovedDate. The duplicate key value is (1, network\accountid , Jan 1999 12:001)"Image may be NSFW.
Clik here to view.
Any thoughts?
RRRG