I've had the case with SharePoint 2010 site collection what was set during creation to use UserAccountDirectoryPath to specific OU. It created w/o exceptions but wasn't following the restriction ...
I just setup my farm and have the generic admin account and a john.doe user account for me. I am trying to add my account john.doe as the admin for a new site collection or add myself to anything ...
Environments(test/production): Production: • MOSS 2007 Ent. SP2 (2008 r2 x64) • 1x App(2008 r2 x64) • 2x WFE(2008 r2 x64) • 1x SQL 2008 (2008 r2 x64) • Profile import will find users ...