The correct command to move the APs before rebooting a controller is 'apmove'. This command allows the administrator to manually move one or more access points to another controller in the cluster.
To address the issue of the ClearPass server assigning a different role than expected to an authenticated user, the administrator should verify two key aspects. First, the spelling of the role on the ClearPass server should be checked. A misspelled role name could prevent proper mapping between the ClearPass server and the wireless controller. Second, the administrator should ensure that the role exists on the Managed Network. If the role defined in ClearPass does not exist on the network infrastructure, the system will not be able to apply it correctly to the user.