Git Credential Manager - not loading when proxy enabled

Question

When working with corporate proxy - GCM not loading on clone/push from command line

OS - Windows 10 LTSC 1809 Visual Studio 2017/2015 Git for windows 2.21 Repo - Azure DevOps server 2019 with update 1(On Premise) Proxy - Corporate proxy

I tried setting the Git Proxy but none helped

Only when i change the Proxy Setting on the system i can get the GCM to show See attached images

in that case i cannot access the web portal - or use visual studio clone/push

Clone Fails - GCM not loading

Web Portal works

GCM LOADING Clone successful

Web Portal Fails

Answer 1

Need to add

git config --global credential.{TFSADDRESS}.authority Basic

The default settings is Auto

https://github.com/microsoft/Git-Credential-Manager-for-Windows/blob/master/Docs/Environment.md#gcm_authority

When using Client(in work-group) to connect to TFS server(in domain) - NTLM or AUTO cannot be used