Error: XDDS:F26A2921 Studio Cannot Contact DDC

After a failed upgrade for StoreFront 2.5 and while repairing StoreFront, Studio lost communication to the DDC. Details Error Id: XDDS:F26A2921 Exception: Citrix.Console.Common.CitrixAggregateException One or more parallel operations failed at Citrix.Console.Common.CitrixParallel.InternalForEachT...