[Samba] mass-adding users with pdbedit or smbpasswd leads to long delay

[Florian Effenberger]

> unfortunately, I currently don't have a testing machine here. ;-(
> 
> If anyone else on this list is willing to test this out, let us know the
> results. Otherwise I will set up a test system and then attach my
> results to the output, but it can take a while. :)

Addendum:
The machine I experienced the problems on is now a production system for
daily use of 1'500 users and I don't want to test it there, too risky. ;-)