In a previous post, we explained how to create a super administrator user in Joomla. In that post, we also explained how to delete a super administrator, which can simply be done by going to the User Manager under Site, clicking on the checkbox next to the super administrator you wish to delete, and then clicking on the Delete button on the top right. While this method works for some versions of Joomla, it doesn’t work for others (you will be redirected to the User Manager’s page and the super administrator will not be deleted).
So, if the straightforward method doesn’t work for you, then here’s what you should do:
- Login to your Joomla control panel as a super administrator (you can only delete a super administrator if you are a super administrator)
- Click on the name of the super administrator you wish to delete
- Change the group type of the super administrator (next to Group) from Super Administrator to Registered
- Save his profile
- Now click on the checkbox next to the name of that (previous) super admin, and click on delete (now it’ll certainly work)
Note that you can’t even block a super administrator, you need to first change his group to Registered, save his profile, and then open up his profile again, and click on Yes next to Block User. (We do think that the process for deleting/blocking super administrators is weird, since they can be deleted/blocked anyway, but with more work)