az login does not open browser automatically on WSL2

[rootd4ddy]

Describe the bug

Running az login on WSL2 (Ubuntu 22.04) does not open the browser. It just hangs without any output or URL to manually navigate to.

$ az login

No browser opens, no URL displayed, command hangs indefinitely.

Environment

• Azure CLI: 2.67.0
• OS: WSL2 Ubuntu 22.04 on Windows 11
• Python: 3.10.12

Steps to reproduce

1. Install Azure CLI on WSL2
2. Run az login
3. Wait - browser never opens

Expected behavior

Browser should open automatically for interactive login, or a device code URL should be displayed.

Workaround attempted

Tried az login --use-device-code which works, but default az login should work too.

[yonzhan]

Thank you for opening this issue, we will look into it.

[github-actions]

Here are some similar issues that might help you. Please check if they can solve your problem.

• az login hangs there forever on WSL #31221
• az login WSL 2 Ubuntu 18.04 does not open browser: Detect no GUI is available, so fall back to device code #14656
• az login opens empty Chrome window in Ubuntu 20.04 #22829

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Possible solution (Extracted from existing issue, might be incorrect; please verify carefully)

Solution 1:

Disabling IPv6 has resolved the issue for several users. After disabling IPv6, az login worked again.

Reference:

• az login hangs there forever on WSL #31221 (comment)
• az login hangs there forever on WSL #31221 (comment)

Solution 2:

Updating WSL to the latest version resolved the issue for users experiencing the problem on WSL. After updating, az login worked as expected.

Reference:

• az login hangs there forever on WSL #31221 (comment)

Solution 3:

Using az login --use-device-code as a workaround when the standard login hangs. This method has been confirmed to work by users.

Reference:

• az login WSL 2 Ubuntu 18.04 does not open browser: Detect no GUI is available, so fall back to device code #14656 (comment)
• az login hangs there forever on WSL #31221 (comment)

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