HOWTO:Grant FULL e107 Admin Privileges to Another User
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Promoting Users to Admin
First, set the desired user as an administrator (in the 'Users' Admin page).
Then go to the 'Administrators' page. Click on the 'edit' icon for the required user/administrator.
Scroll to the bottom of the page, and there is a checkbox 'Main Site Administrator' - check this, and click on 'Update administrator'.
WARNING: For security reasons it is recommended you upgrade to the latest version of e107 (1.0.3 released March 14, 2013 .
e107 0.7.2 and earlier