Maybe not Kix-related but i'm gonna try here anyway:
With Windows 2003 and Exchange 2003 SP1 its supposedly possible to rename your domain.
In my test environment i've tried this a couple of times now and am experiencing various results: sometimes it works flawless, sometimes it errors during
Code:
rendom /upload

with:
Domain rename is not supported in an Active Directory forest with Exchange deplo
yed.: The server is unwilling to process the request. :8245

Does anyone else here have any (good or bad) experiences with this? If so, i'd really like to hear your tips/comments/opinions.