UBB.Threads 6.5.4 to vBulletin 3.5.4 can't import users

[NEXCS-Greg]

I'm trying to convert UBB.Threads 6.5.4 to vBulletin 3.5.4 and when I run ImpEx, Step 1 (Check and Update Database) works fine, Step 2 (Associate Users) works fine, Step 3 (Import Usergroups) works fine, however, when I get to Step 4 (Import user), I've tried every combination of the settings on that page and when I click Continue, I just get the:

ImpEx build version : 1.45
Database cleanup & restart ||| Online manual

Using includes/config.php for target config.

header, and nothing else happens. Has this happened to anyone else before? Any ideas on something I can check to see what's going on? I've checked the error log and there's nothing there, so it's not hitting a memory limit or anything. Any help would be appreciated. Thanks!

[NEXCS-Greg]

welll...stupid stupid stupid but it was related to the number of users it was strying to import at once. I tried it before with 50 and had the same problem but for some reason it's working now with 250 instead of 500..so I guess i'll have to live with that.

[NEXCS-Greg]

One thing that would be nice though...is maybe for the screen to spit out an error telling me WHY I can't do 500 at time... max_allowed_packet or *some* server setting getting reached, so I could know what to adjust in order to do 500 at a time. Any ideas?

[Jerry]

If you have no access to the PHP error logs or PHP isn't returning the error you'll have to contact the host and see how they have limited or crippled the PHP config.

[NEXCS-Greg]

I am the host

Anyway, I cranked up the max_allowed_packet in MySQL and the memory_limit and some other settings in php.ini and now, when I was getting stuck doing 250 threads at a time, I can do 2500 now So that was the *fix*. It was hitting the memory limit or something.

[Jerry]

Yup, ImpEx needs lots of memory when doing lots per page. You can lower it after the import.