Workload error after update Visual Studio to 17.4.0 Preview 2.1

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Today I updated Visual Studio to 17.4.0 Preview 2.1.

Microsoft Visual Studio Community 2022 (64-bit) - Preview Version 17.4.0 Preview 2.1

After that, I can't deploy my Blazor application because I got this error:

To build this project, the following workloads must be installed: wasm-tools-net6 To install these workloads, run the following command: dotnet workload restore

I ran the command but nothing changed.

How can I fix it?

Mansour answered 21/9, 2022 at 16:36 Comment(2)

try "dotnet workload restore --interactive" – Mott 13/12, 2022 at 13:28

I tried this command and it installed NET7 but my application is in NET6 – Mansour 13/12, 2022 at 18:42

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This was hiding other errors for me.

Still, I was forced to install the correct NET workload to discover the real errors. In my case, I was targeting NET7, so I ran the following in the Package Manager Console (from the top menu: View > Other Windows > Package Manager Console):

dotnet workload install wasm-tools-net7

just change it to net6 if you target NET6.

After that, I still was seeing the same error:

Then, I ran Clean and then Rebuild commands (right click solution -> Clean, then Rebuild Solution). After this last step, the real errors appeared:

Wini answered 17/11, 2023 at 11:23 Comment(0)

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I just ran into this problem as well after updating a few projects to .Net 7. I found that the problem related to the Target Framework, and Target Location of the publish profile. Once I upgraded these from .Net6 to .Net7 publishing worked again for me.

Albano answered 23/11, 2022 at 5:26 Comment(1)

you can run this command: dotnet workload install wasm-tools-net6 – Gine 22/2, 2023 at 9:57

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dotnet workload restore --interactive then restarting Visual Studio fixed it for me

Literacy answered 15/2 at 13:3 Comment(0)

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I got this working by installing .NET WebAssembly Build Tools with the Visual Studio Installer:

Inverse answered 16/3 at 11:10 Comment(0)

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For me (after trying all above answers and still having the same problem) it worked to untick the Ahead-of-time (AOT) compilation:

From the main menu: Build -> Publish [myProject] -> Show all settings -> File Publish Options
Untick Ahead-of-time (AOT) compilation

For me (after trying all above answers and still having the same problem) it worked to untick the Ahead-of-time (AOT) compilation:

From the main menu: Build -> Publish [myProject] -> Show all settings -> File Publish Options
Untick Ahead-of-time (AOT) compilation

Deviate answered 5/7 at 14:35 Comment(0)

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