Begin promoting IPB > XF importer, coalesce various tips n tricks into a series of articles/one big topic and check it works for 4.6.6 ;)

[ColinD]

I'll be testing this later today/tomorrow anyway for a just shy of five million topic site.

But might be good to dust it; the convertor, off if not already done so.

I know from many years back when I was right on the cusp of migrating; sorry, the blocker for me then was handling subscriptions.

I'm sufficiently hacked of enough today, to actually put some time into a SQL solution post migration. Sorry my php skills are 10years out of date.