Question 135182 in Visual Studio Code Question posted in
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Visual Studio Code – VSCode Omnisharp server A .NET 6 SDK for x86_64 was not found

Omnisharp does not seem to recognize my installed .NET sdk (version 6.0.408).

I have tried manually adding this path via settings to Omnisharp: SDK path i.e.:
C:Program Filesdotnetsdk6.0.403

I have also tried reinstalling the SDK and even VSCode.

This does not seem to solve the issue however, and I am unable to run my asp.net application on VSCode. Running dotnet run from the terminal is fine.

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4

Answers


  1. 0

    I had the same problem and just solved it. Copy and pasting this from a Youtube comment I just finished writing, so it might sound funny out of context, but the good bits are in there. Hope it helps.

    Installed dotnet 7.0, but then it said dotnet 6 was missing…
    So I deleted the script asset, exited Unity, went back to their website and installed Net 6.0.403
    Error still happened.

    I’ll note this seemed to push a script compiling error out to Unity in the inspector window, as well.

    Deleted the script asset again, exited Unity again, then uninstalled both dotnet 7 and dotnet 6.
    Then I reinstalled dotnet 6.

    Into unity, made a new script, opened it, and this time no error message about missing net 6.

    I just started yesterday. Literally. So if my solution is trash, I’ll laugh with you lol. Best of luck.

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  2. 0

    TLDR: Both .NET SDK versions and Visual Studion versions needed to be x64.

    Here was the exact error I was seeing in the Output Window:

    [ERROR] A .NET 6 SDK for x86_64 was not found. Please install the
    latest x86_64 SDK from
    https://dotnet.microsoft.com/en-us/download/dotnet/6.0.

    [ERROR] Error: OmniSharp server load timed out. Use the
    ‘omnisharp.projectLoadTimeout’ setting to override the default delay
    (one minute).

    When I realized there was a mismatch between my .NET SDKs and Visual Studio Code in terms of being x86 and x64, I did the following:

    1. Deleted the bin/obj folders and .vscode folders in my VS Code project.
    2. Uninstalled my .NET SDKs via Windows (Setings > Apps).
    3. Uninstalled Visual Studio Code via Windows (Setings > Apps).
    4. Installed .NET 7.0 x64 and .NET 6.0 x64.
    5. Opened PowerShell and ran dotnet –info to make sure my .NET runtime and SDK were appearing correctly.
    6. Installed Visual Studio Code x64.
    7. Used PowerShell and cd’d to my project folder. Did a dotnet restore. Then launched Visual Studio Code using code . command.
    8. I could then use the most current version of the VS Code extension (v1.25.2).
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  3. 0

    Uninstalling and then installing the VSCode extension C# for Visual Studio Code solved the issue for me.

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  4. 0

    You will also get this error if you are still running the 32-bit version of VS Code. While I thought I had updated my machines with the 64-bit version, I never got around to updating one machine. I uninstalled VS Code and reinstalled it, making sure I selected the 64-bit version. This addressed the, .NET 6 SDK for x86_64 was not found, error.

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