Issue
After enabling MFA for site administrator in Tableau Online, the login failed in Active Directory with the following error message due to a missing Personal Access Token (PAT). The following error message appears:You appear to have entered invalid credentials. Please confirm you are using the correct information for an administrator account.
Error code: DiceCredentialValidationFailure
Details: We are unable to authorize access to Tableau Online. Please ensure that the credentials provided are valid and are authorized to provision objects in the target system.