Drupal to vB 3.81
 

I've made several attempts to import my Drupal DB (uncompressed) into a clean install of vB, each time using a lesser number of items to process per cycle.

It outwardly looks like a good install, with member, forum, thread, and post counts matching the source (as listed on the main page)...
But when you look at the individual forums, there is only a few threads... the thread count in the forum matches the number of threads imported, but not the list on the main page, which matches the source count.

Some guidance please.

Your time and assistance is appreciated.