update-database : Exception calling "Start" with "1"argument(s): "The specified executable is not a valid application for this OS platform."

Question

I got the same error when trying to update-database and l am using Windows 11 And VS 17,3

Answer 1

Hi @Anonymous Regarding the exception you are having with you could follow below steps:

Steps:1

Go to Search option and typeEdit Environment Variable

Steps:2

Select environment variables, and select path , and move "dotnet" all the way up at Path

Steps:3

Then you have to delete ef core packages in .nuget folder under c:\users{username}.nuget

Steps:4 Then you have to delete ef core nuget packages and reinstall them (i used 3.2.1 for ef core, design, tools, sqlserver),

Steps:5 Rebuild project in Visual Studio, then redo add-migration initial -verbose in package manager console and it should work as expected.

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Best Regards,
Md Farid Uddin Kiron

Answer 2

Hi @Farid Uddin Kiron MSFT

I followed the steps but the error persists.

Answer 3

Hi @Farid Uddin Kiron MSFT

I followed the steps but the error persists.