An administrator with the Super_User profile is unable to log in to FortiManager because of an authentication failure message.
Which troubleshooting step should you take to resolve the issue?
A. Make sure FortiManager Access is enabled in the administrator profile
B. Make sure Offline Mode is disabled
C. Make sure the administrator IP address is part of the trusted hosts.
D. Make sure ADOMs are enabled and the administrator has access to the Global ADOM