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Visual Studio 2017 keeps prompting for credentials despite GCM being configured #858

edgariscoding opened this issue Jul 11, 2019 · 0 comments


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commented Jul 11, 2019

Which Version of GCM are you using ?
Git Credential Manager for Windows version 1.19.0

Which service are you trying to connect to

  • Azure DevOps
  • Azure DevOps Server (TFS/on-prem)
  • GitHub
  • GitHub Enterprise
  • Bitbucket
  • Other? - please describe;

If AzureDevops Hosted describe your url


If you're using Azure DevOps, can you access the repository in the browser via the same URL?

  • Yes
  • No, I get a permission error.
  • No, for a different reason:

If you're using Azure DevOps, and the account picker shows more than one identity as you authenticate, check that you selected the same one that has access on the web.

  • [x} I only see one identity.
  • I checked each and none worked.

Expected behavior
I expect to be able to clone, push, and pull without having an infinite number of credential prompts. I expect GCM to prompt me for my credentials once and then it should magically work.

Actual behavior
The most recent time this happened was when I attempted to push commits to my remote repo. I got a number of credential prompts none of which seemed to work, after what I think was the 4th one, the Synchronization pane in Visual Studio showed the following error: "Failed to push to the remote repository. See the Output window for more details."

The commits WERE actually pushed though.

I've run git config --list and credential.helper is set to manager

This is what the output window shows:

Opening repositories:
Commit 940c6e24 created locally in repository C:\Users\c\Source\Repos\MyProject
Pushing develop
Remote: Analyzing objects... (3/3) (48 ms)        
Remote: Storing packfile... done (121 ms)        
Remote: Storing index... done (91 ms)        
Checked out refs/heads/master
Checked out refs/heads/develop
Checked out refs/heads/master
Error encountered while pushing to the remote repository: Git failed with a fatal error.
failed to detect Username in target URL.
unable to read askpass response from 'C:/program files (x86)/microsoft visual studio/2017/professional/common7/ide/commonextensions/microsoft/teamfoundation/team explorer/Git/mingw32/libexec/git-core/git-askpass.exe'
could not read Username for '': terminal prompts disabled
Delta compression using up to 8 threads.
Compressing objects:  20% (1/5)   
Compressing objects:  40% (2/5)   
Compressing objects:  60% (3/5)   
Compressing objects:  80% (4/5)   
Compressing objects: 100% (5/5)   
Compressing objects: 100% (5/5), done.
Writing objects:  20% (1/5)   
Writing objects:  40% (2/5)   
Writing objects:  60% (3/5)   
Writing objects:  80% (4/5)   
Writing objects: 100% (5/5)   
Writing objects: 100% (5/5), 489 bytes | 489.00 KiB/s, done.
Total 5 (delta 4), reused 0 (delta 0)
POST git-receive-pack (625 bytes)
remote: Analyzing objects... (5/5) (34 ms)        
remote: Storing packfile... done (133 ms)        
remote: Storing index... done (97 ms)        
   d00fc98c03..3fba05bb57  master -> master
updating local tracking ref 'refs/remotes/origin/master'

Set the env variables GCM_TRACE=1 and GIT_TRACE=1 and run your git command. Redact any private information and attach the log

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