Add Custom Claim from Entra in Blazor

Edit property mapping in

Client App → Managed application in local directory → Single sing-on → Attributes & Claims

Note:

You will receive the following error after creating a new claims. Fix this by setting the “acceptMappedClaims” to “true” in your app manifest.

There was an error trying to log you in: ‘xxxxxxx: This application is required to be configured with an application-specific signing key. It is either not configured with one, or the key has expired or is not yet valid.

“acceptMappedClaims”: true,

Azure AD Claims mapping requires custom signing key