WSL Settings writes empty `networking` key in `.wslconfig`

[elsaco]

Windows Version

Microsoft Windows [10.0.19045.5679]

WSL Version

2.5.4.0

Are you using WSL 1 or WSL 2?

• WSL 2
• WSL 1

Kernel Version

6.6.75.1-microsoft-standard-WSL2

Distro Version

Ubuntu 24.04

Other Software

No response

Repro Steps

• Upgrade WSL to version 2.5.4
• Launch WSL Settings and change networking mode to mirrored

Expected Behavior

On Windows 10 change should not be applied, mirrored mode is not supported. Didn't test on Windows 11.

Actual Behavior

WSL Settings writes enpty key to .wslconfig

Message on Ubuntu startup:

wsl: Invalid value '' for config key 'wsl2.networkingMode' in C:\Users\elsac\.wslconfig:7 (Valid values: mirrored, nat, none, virtioproxy)

Diagnostic Logs

No response

[github-actions]

Logs are required for review from WSL team

If this a feature request, please reply with '/feature'. If this is a question, reply with '/question'.
Otherwise please attach logs by following the instructions below, your issue will not be reviewed unless they are added. These logs will help us understand what is going on in your machine.

How to collect WSL logs

Download and execute collect-wsl-logs.ps1 in an administrative powershell prompt:

Invoke-WebRequest -UseBasicParsing "https://raw.githubusercontent.com/microsoft/WSL/master/diagnostics/collect-wsl-logs.ps1" -OutFile collect-wsl-logs.ps1
Set-ExecutionPolicy Bypass -Scope Process -Force
.\collect-wsl-logs.ps1

The script will output the path of the log file once done.

If this is a networking issue, please use collect-networking-logs.ps1, following the instructions here

Once completed please upload the output files to this Github issue.

Click here for more info on logging
If you choose to email these logs instead of attaching to the bug, please send them to wsl-gh-logs@microsoft.com with the number of the github issue in the subject, and in the message a link to your comment in the github issue and reply with '/emailed-logs'.

[benhillis]

Thanks for the report, I will fix this.

[benhillis]

Fixed with https://github.com/microsoft/WSL/releases/tag/2.5.6

[ariyanridoy1092-cell]

#12745 (comment)