Originally Posted by Chuck S
If the username is wrong and the userid on the photo is correct you can run the tool in admin scan database to update usernames on photos and comments in admin.
Dear Chuck, unfortunally, you've wrote this good advice too late...
Answering on your question - I didn't changed any settings, concerning the registration system and integration (I don't use it), at least, during last year.
There were more than 4300 pages (id=2), belonged to charm and more than 4000 pages, belonged to Vladimir Suchy (id=214). Now all are assigned to charm (id=2).