Running DomainPrep
DomainPrep makes changes to a domain to support an Exchange Server 2003 installation. DomainPrep creates two security groups when run, Exchange Enterprise Server and Exchange Domain Servers. The user account that run domainprep must be a member of the domain admin group for the domain.
1. Click Exchange Deployment Tools
2. Click Deploy the first Exchange 2003 Server
3. Click New Exchange 2003 Installation
4. Click Run DomainPrep
5. Click Next
6. Select I Agree and click Next
7. Make sure under Action it list DomainPrep and click Next
8. Wait for DomainPrep to run
9. Click Finish