"IDX10511: Signature validation failed" for Azure AD SPA application
I have an SPA application derived from the Identity Platform sample that originally calls a Graph API. I've changed the endpoint to call a local API. The SPA uses Azure AD for authentication. The API sample is derived from the VS 2019 project template for API. ,NET 4.7.2 - no .NET Core. I can authenticate OK and both ID and access tokens are present when I d