Invalid_client using OpenIdConnect in client application

Question

I have an IdentityServer4 application running with ASP.NET Identity. I want to use that so users from another application can login through my remote identity server.

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Answer 1

ClientSecret should contain the unencrypted value. Take a look at the documentation.

In your case secret.

options.ClientSecret = "secret";

I didn't look further, so if this change doesn't solve it then please let me know.