Hi Joe,
I get an error similar to yours, about not having enough permissions. Logged in as the domain admin....have Schema Admin & Enterprise Admin permissions, but still no joy.
Running Windows 2008 x64 & Exchange 2007 SP1 x64
Here's the log from the command "setup /PrepareAD". Any ideas anyone ?
Preparing Exchange Setup
No server roles will be installed
Performing Microsoft Exchange Server Prerequisite Check
Organization Checks ......................... COMPLETED
Configuring Microsoft Exchange Server
Organization Preparation ......................... FAILED
Active Directory operation failed on myserver.mydomain.com. This error is not r
etriable. Additional information: Access is denied.
Active directory response: 00000005: SecErr: DSID-03152492, problem 4003 (INSUFF
_ACCESS_RIGHTS), data 0
The Exchange Server Setup operation did not complete. For more information, visit http://support.microsoft.com and enter the Error ID.
Exchange Server setup encountered an error.