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PCbuild/find_python.bat uses broken aka.ms/nugetclidl URL for downloading nuget.exe #153438

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#153482
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PCbuild/find_python.bat uses broken aka.ms/nugetclidl URL for downloading nuget.exe#153438
#153482
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OS-windowsbuildThe build process and cross-buildtype-bugAn unexpected behavior, bug, or error

Description

@ELundby45
ELundby45
opened on Jul 9, 2026

Bug report

Bug description:

PCbuild/find_python.bat currently defaults NUGET_URL to:

https://aka.ms/nugetclidl

This appears to no longer resolve to a valid nuget.exe download. As a result, Windows builds that rely on find_python.bat to bootstrap nuget.exe may fail before Python can be installed from NuGet.

Relevant CPython code:

@if "%_Py_NUGET_URL%"=="" (set _Py_NUGET_URL=https://aka.ms/nugetclidl)
@powershell.exe -Command Invoke-WebRequest %_Py_NUGET_URL% -OutFile '%_Py_NUGET%'

Reproducer showing that the url now redirects to bing.com

curl -vI https://aka.ms/nugetclidl

...
< HTTP/1.1 302 Moved Temporarily
HTTP/1.1 302 Moved Temporarily
< Server: Kestrel
Server: Kestrel
< Location: https://www.bing.com?ref=aka&shorturl=nugetclidl
Location: https://www.bing.com?ref=aka&shorturl=nugetclidl

CPython versions tested on:

3.15

Operating systems tested on:

Windows

Linked PRs

Activity

  1. ELundby45
    added
    type-bugAn unexpected behavior, bug, or error
    on Jul 9, 2026

  2. hugovk commented on Jul 9, 2026

    @hugovk
    hugovk
    on Jul 9, 2026
    Member

    Ideally Microsoft can fix the https://aka.ms/nugetclidl URL, otherwise we should change it.

    Let's ask @zooba.

  3. hugovk
    added
    OS-windows
    buildThe build process and cross-build
    on Jul 9, 2026

  4. zooba commented on Jul 9, 2026

    @zooba
    zooba
    on Jul 9, 2026
    Member

    I guess it got cleaned up at some point (fairly recently, I go through that download path often enough that I know it worked earlier this week). There have been a lot of personnel changes at Microsoft recently, so I guess it ended up with no actual owner.

    According to https://learn.microsoft.com/en-us/nuget/install-nuget-client-tools?tabs=windows#nugetexe-cli, the URL is https://dist.nuget.org/win-x86-commandline/latest/nuget.exe. This is the page that the aka link came from, so someone was ahead of the breakage.

  5. ELundby45 commented on Jul 9, 2026

    @ELundby45
    ELundby45
    on Jul 9, 2026
    Author

    I can confirm it was working just two days ago.

  6. zooba
    closed this as completedin #153482on Jul 10, 2026
  7. zooba
    added 4 commits that reference this issue on Jul 10, 2026

    gh-153438: Update NuGet download URL (GH-153482)

    106eb53

    [3.14] gh-153438: Update NuGet download URL (GH-153482) (GH-153510)

    8c5f13c

    [3.15] gh-153438: Update NuGet download URL (GH-153482) (GH-153509)

    73f534c

    [3.13] gh-153438: Update NuGet download URL (GH-153482) (GH-153515)

    62eb50d
  8. vstinner
    added a commit that references this issue on Jul 11, 2026

    pythongh-153438: Update NuGet download URL (pythonGH-153482)

    ad086ac
  9. Yhg1s
    added a commit that references this issue on Aug 4, 2026

    [3.12] gh-153438: Update NuGet download URL (GH-153482) (GH-153515) (#…

    d1e23e2
  10. hugovk
    added 2 commits that reference this issue on Aug 10, 2026

    [3.11] gh-153438: Update NuGet download URL (GH-153482) (GH-153515) (#…

    32eb314

    [3.10] gh-153438: Update NuGet download URL (GH-153482) (GH-153515) (#…

    bd3939e
  11. hugovk
    marked Windows CI fails on 3.10 #155447 as a duplicate of this issue on Aug 10, 2026
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