Using github for windows on same machine, with same credentials works fine. Can pull/clone.
However teamcity installed as a windows service on the same machine, returns the following error
List remote refs failed: org.eclipse.jgit.errors.TransportException: https://github.com/my-private-repo.git: not authorized
In teamcity, in the project VCS Root, if the authentication method is based on ssh public/private key, then the fetch URL should be like
https:// in the fetch URL causes the error message:
List remote refs failed: org.eclipse.jgit.errors.TransportException..