Yes, it'll work under 6.2.3 - if you had it installed before, you didn't need to add the database fields - as they were already there.
If you dropped the tables - then you dropped all the data with it. So if you aren't getting any errors - you are probably on the right track. But there will be no info until replies are posted from this point on.
The scripts looked good. I removed the link to them after I looked - Infopop can shut us down for posting copyrighted scripts on our board.