Moving to Windows Server 2008/Exchange 2007

I currently have a PERL script that adds users to AD , puts in the Exchange info for their mailbox and sends a test message to the new mailbox and successfully creates the user in AD on Windows 2003 and Exchange 2003.

I just got the word that the server guys are upgrading to Windows Server 2008 and Exchange 2007 and I was told that things work a little bit differently with these versions. For starters, I am told that AD and Exchange can't be on the same server.

I am wondering if my script will continue work with these new versions.

Has anyone been able to get Net::LDAP to work with these new versions and can anyone add suggestions for things that I might need to account for in my script due to the upgrade?

Thanks

John