Can't Join Computer To Domain

The following error occurred attempting to join the domain Access is denied

We tried several things, but the thing that fixed the issue was this command

"secedit /configure /cfg %windir%\repair\secsetup.inf /db secsetup.sdb /verbose"


Source:
http://forums.windrivers.com/showthread.php?s=b5574fb2ca5d322f27c32d0570aab94a&t=51731&page=2