Software⏱️ 2 min read📅 2026-05-31

How to Fix: git clone: Authentication failed for <URL>

Git authentication failed for TFS repository

Quick Answer: Try using the corporate network's SSH credentials or configure Git to use the Windows username and password.

📋 Table of Contents

  1. 🛑 Root Causes of the Error
  2. 🚀 How to Resolve This Issue
  3. 💡 Conclusion

Trying to access a private corporate TFS repository can be frustrating when you're denied authentication. The error 'Authentication failed for <URL>' indicates that the Git client is unable to authenticate with the repository.

🛑 Root Causes of the Error

  • Insufficient permissions: Ensure that your Windows user account has the necessary rights to access the repository.

🚀 How to Resolve This Issue

Method 1: Using Git Credentials Manager

  1. Step 1: Install the Git credentials manager, such as Git Credential Manager for Windows or SSH Config.

Method 2: Authenticating with Basic Auth

  1. Step 1: Run the command `git config --global http.proxy 'http://username:password@tfs.somehostname.com:8080/'` (replace with your actual credentials).

💡 Conclusion

By following these methods, you should be able to resolve the 'Authentication failed for <URL>' error and access your private corporate TFS repository.

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