I have converted my PT2 database to postgreSQL format, so thats it OK, but i can't convert this to PT3 database, because i get a message in the beginning of the action:
Unable to begin import process. Reason: Unable to login to database (PT3 DB). Reason: FATAL: database "PT3 DB" does not exist
You'll may get a better answer in the PT forums for something like this. Plus if someone here tells you what to do and it screws something up, you can't say, "But a PT admin is the one that told me to do that!!"