Start the registry editor on the BeyondInsight server.To correct this issue, you can increase the maximum size in the registry. The user cannot authenticate because the Kerberos token that is generated during authentication attempts has a fixed maximum size. An error is logged in the frontend.txt file associated with that login attempt, that includes A local error occurred.Authentication fails with The username or password is incorrect.If an Active Directory user is a member of more than 120 Active Directory groups, the user may encounter the following error when attempting to log in to the BeyondInsight management console, Analytics & Reporting, or Password Safe, although correct credentials were supplied: Troubleshoot Authentication Issues Active Directory User Cannot Authenticate with BeyondInsight or Password Safe
