tcServer info returns "unable to determine PID" on a tcServer instance in Windows environment for tcServer version less than 10.1.39.A
When tc-server-10.1.bat info <Instance_name>
Running Status shows Running ("Unable to determine PID")
tcServer for Windows
Tanzu tc Server 10.1.36.A and older
This issue is fixed in tcServer version with 10.1.39.A and above.
Downloading tcServer products from online artifactory server https://knowledge.broadcom.com/external/article?articleNumber=383615
For reference, Please see release notes here