Solved
Unable to use issue tracking part "connection manager"
Unable to connect to TFS from Test complete thru connection manager. TFS 2015, TC - 11.31.2420.7. But i was able to connect to check in and check out from TFS. Error message "The following errors occurred while connecting to the specified server:
Unable to initialize the Team System engine. Please make sure it is installed correctly."
Here's a thread that solved a similar issue:
