What could be causing the sign-in issue?

You have configured SSO using a third-party IDP with your Google Workspace domain. An end user has reported that they cannot sign in to Google Workspace after their username was changed in the third-party SSO product. They can sign in to their other internal applications that use SSO. and no other users are experiencing issues signing in.

What could be causing the sign-in issue?
A . The SAML assertion provided by the third-party IDP is presenting a username that conflicts with the current username configured in Google Workspace.
B . The user’s Google password was changed administratively, which is causing a sign-in failure.
C . The issued certificate for that user has been revoked and must be updated before the user can have another successful sign in.
D . The SAML assertion is providing the user’s previous password attached to their old username.

Answer: A