Hi @Daniel Seitz (DXC Technology Services LLC)
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Based on the error code AADSTS50011 it indicates that there is a mismatch between the reply address configured for the Azure Active Directory application and the reply address in the authentication request. Make sure the redirect URI matches the reply Url configured on your application.
Kindly update reply url in the application by navigating to Entra admin center Portal > Identity> Applications > App Registrations > All apps > Search with client ID (aka app ID) > Under Authentication blade of the application > update the reply url.
Reference: Error AADSTS50011 with OpenID authentication: The redirect URI specified in the request does not match
Error AADSTS50011 with SAML authentication - The reply URL specified in the request does not match
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Akhilesh.
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