Edit this file as administrator. Ref the correct path. I am using SSMS 17.8.1. or latest.
C:\Program Files (x86)\Microsoft SQL Server\140\Tools\Binn\ManagementStudio\ssms.pkgundef
Uncomment the following block and save.
Relaunch SSMS, Tools, Options, Source Control, Plug-in Selection, VSTFS.
You should see a Team menu at the top Menu bar.
Must have VS2015 installed!
https://docs.microsoft.com/en-us/visualstudio/releasenotes/vs2015-version-history
Troubleshooting info:
Exit SSMS, rename:
1. subfolder 14.0 in C:\Users\username\AppData\Local\Microsoft\SQL Server Management Studio\
2. reg key 14.0_Config in Computer\HKEY_CURRENT_USER\Software\Microsoft\SQL Server Management Studio\
Before:
After:
Source Control Plug-in:
Click Team, Manage Connections, Add your TFS server.
Team Explorer:
Enjoy,
Hiram