2011-04-01, 02:29 PM
For changing nicknames. I usually do using Groups. Assign permission to the following group, that the group is allowed / not allowed to change usernames.
AdminCP > User & Groups > Groups > Pick the Group you want > Edit Group > User & Permissions > Allow to change username ? > Tick / Untick
AdminCP > User & Groups > Groups > Pick the Group you want > Edit Group > User & Permissions > Allow to change username ? > Tick / Untick