The current .NET SDK does not support targeting .NET Core 3.0 | 3.1 | 5.0 | 6.0

46
votes

I've just downloaded the release version of .NET Core 3.0.100
It was installed alongside older version that I have:

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When I try to run dotnet restore for a project that targets .NET Core 3 (<TargetFramework>netcoreapp3.0</TargetFramework>), I get this error 

C:\Program Files\dotnet\sdk\2.2.202\Sdks\Microsoft.NET.Sdk\targets\Microsoft.NET.TargetFrameworkInference.targets(137,5): error NETSDK1045: The current .NET SDK does not support targeting .NET Core 3.0.  Either target .NET Core 2.2 or lower, or use a version of the .NET SDK that supports .NET Core 3.0.

I have a global.json file that explicitly states that I need the 3.0.100 SDK 

{
  "sdk": {
    "version": "3.0.100"
  }
}

I know that I can edit the MSBuildSDKsPath env variable to point to the 3.0.100 SDK, and it works, but I don't want to do it, I have other projects on my machine that still need to use older versions of .NET Core.

Is there a way to make the dotnet tool use the SDK that's stated in global.json instead of the one in MSBuildSDKsPath?

Edit: I use Visual Studio Code

1
asp.net.net.net-coremsbuild
The great thing about having a standard .NET library, is that there are so many standards to choose from. – Ian Boyd
Did my answer solve your problem? – Dominic Jonas
Not a complete answer, but when I got this error, deleting all my bin, obj, internal build outputs, and .vs folders and then rebuilding made the error go away. (Build clean was failing.) I first got the error after trying to add new items to my project and it didn't go away when I removed them. – Denise Skidmore

1 Answers

76
votes

You also have to update your visual studio to the minimum supported version:

.NET Core 3.0

  • minimum visual studio v16.3

.NET Core 3.1

  • minimum visual studio v16.5

.NET Core 5.0

  • minimum visual studio v16.6 latest preview

.NET Core 6.0

  • minimum visual studio v17.0 latest preview

enter image description here

(https://dotnet.microsoft.com/download/dotnet-core/3.0)

![enter image description here

(https://dotnet.microsoft.com/download/dotnet-core/3.1)

enter image description here

(https://dotnet.microsoft.com/download/dotnet/5.0)

enter image description here

(https://dotnet.microsoft.com/download/dotnet/6.0)