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I am on an air gapped network trying to run a C++ project that uses solution files from Visual Studio, because that is what the rest of my team uses.

I have:

  • C# Dev Kit 1.61.22
  • C# 2.93.21
  • .NET Install Tool 2.3.9 (No network connection so I manually Installed)
    • .NET SDK 8.0.300
  • VS Code 1.104
  • C/C++ 1.3.1
  • Windows 11 Enterprise 23H2 amd64

The terminal says:

[info] Installing C# Dependencies...  
[info]

[info] Platform: win32, x86_64

[info]

[info] Downloading package 'Language server for Roslyn Copilot Integration'  
[info] Failed at stage: downloadPackage

[info] Error: getaddrinfo EAI_AGAIN roslyn.blob.core.windows.net

[info]

[info] Locating .NET runtime version 9.0.1  
[info] Dotnet path: C:\Program Files\dotnet\dotnet.exe  
[info] Activating C# + C# Dev Kit  
[error] Microsoft.CodeAnalysis.LanguageServer client: couldn't create a server.  
Error: Component DLL not found: c:\Users\name\.vscode\extensions\ms-dotnettools.csharp-2.93.21\.roslynCopilot\Microsoft.VisualStudio.Copilot.Roslyn.LanguageServer.dll

I am a little worried about it "locating" .NET 9.0.1 when I manually downloaded .NET 8.0.3, but it also looks like it is trying to connect to some server, which I can not do on our Air Gapped network.

Our network can not use copilot, is there some work around that can get .NET 8.0 to work so I can start working on our solution with VS Code with all its extensions instead of Visual Studio?

Getting new software can take a while since this is an air gapped network, so VS-code configurations are easier, but new software like .NET 9.0 is technically possible, just takes a long time.

EDIT: I got .NET 9.0.101 approved and on my machine, but still have the same error. Also don't ask why we use C# to compile our C++ project, ask my boss that. I have all the software to convert to CMAKE but I don't have permission.

EDIT2: It is the C# extension that is failing and my dotnet path does not matter, it all fails in the same way. The C# extension team decided to make their code download this external Roslyn Copilot Language Server File when opening a solution.

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  • Sorry I couldn't provide more logs, I do not have access to copy paste so this is all manually typed. Commented Oct 10 at 15:00
  • At some point, the money leaves the bank. There should be a procedure for introducing what amounts to a "new" development machine; instead of creating some fatal combination "from within". Commented Oct 10 at 15:14
  • 2
    Why are you worried about errors related to .NET and C# for a C++ project? Commented Oct 10 at 15:45
  • @phuzi I need C# Dev Kit in order to run solution (Visual Studio) projects. It is like CMAKE, but I do not have the pull in our organization to change our C++ project to CMAKE. I know it is dumb using the C# equivalent of CMAKE for our C++ project, but I have no say. Commented Oct 10 at 16:10
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