A user who is a member of the IT Support group has delegated rights to manage user and group objects in the Trainees OU. The user attempted to add user object found in the Trainees OU to a security group called IT Helpdesk that is located in IT OU. The user received an error message saying, "Insufficient access rights to perform this operation." What is the cause of this error message? The user is not a member of the Server operators group. The user does not have delegated rights to manage Trainees OU. The user does not have delegate rights to manage group objects in the IT OU. The user is not a member of the Remote Desktop users group.