We’ve created a new permission that allows for more control around an admins ability to assign mentees to mentors. Previously, any admin with the “general edit” permission had the ability to add or remove mentees. Due to the breadth of access of the mentee/mentor relationship, super admins will now have the ability to control which users are able to set this up. Any user that previously had the “general edit” permission will have this new permission, but it can now be removed by super administrators with the “assign permission” permission.
To turn this ability off for an admin you can edit their permissions (Setup > Assign Permissions) or Admin Status (from their eDossier) for the Assign mentees permission: