SourceTree fails to clone giving this error:

Command: git -c diff.mnemonicprefix=false -c core.quotepath=false --no-optional-locks ls-remote https://myuser@bitbucket.server_url/scm/pa/test_repo.git Output: Error: fatal: unable to access 'https://myuser@bitbucket.server_url/scm/pa/test_repo.git/': schannel: next InitializeSecurityContext failed: Unknown error (0x80092013) - The revocation function was unable to check revocation because the revocation server was offline.

Appears to be related to the update to Git for Windows to use Windows Secure Channel instead of OpenSSL:

https://github.com/git-for-windows/git/releases/tag/v2.14.0.windows.1

Similar bugs reported for GitHub:

https://github.com/desktop/desktop/issues/3260

https://github.com/desktop/desktop/issues/2187

https://github.com/desktop/desktop/issues/2414

Same work around applies, disable revocation checks via this command:

git config --global http.schannel.checkRevoke false