Visual studio 2017 Update 3 – The SDK ‘Microsoft.NET.Sdk.Web’ specified could not be found

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I stumbled upon this issue a number of times recently. Here’s a brief list of the workaround I found (one of them always worked until now):

  1. Install the right .NET Core SDK: Either the latest version or the version required by your project.
  2. Clean-up obsolete .NET Core versions: Go to Control Panel and uninstall previous .NET Core SDK/Runtime versions (as long as you don’t use them anymore).

  3. Create a Global.json file: Add a new global.json file to your project’s root with the following content (replace the .NET Core version build with the one you want to run the project with):

    {
    “sdk”: {
    “version”: “2.0.5”
    }
    }

  4. Rename the SDK reference: Open your .proj file and replace <project sdk="Microsoft.NET.Sdk.web"> with <project sdk="Microsoft.NET.Sdk"> .

  5. Add the MSBuildSDKsPath Environment Variable: The dotnet CLI sets the MSBuildSDKsPath environment variable when invoking MSBuild: however, a December 2016 patch changed the CLI behaviour so that it will respect an existing environment variable, if it has already been set: this will allow the developer to “force” the CLI to use a specific SDK.

  6. Check your PATH: Verify that both C:\Program Files\dotnet and C:\Program Files (x86)\dotnet are in the PATH environment variable.

For additional info regarding the issue and other viable fixes check out this blog post that I wrote on this topic.

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