I'm trying to run /PrepareSchema using Exchange 2007 SP2 on Windows 2008 R2 DC's and both domain/forest functional level is Windows 2003. Even after replacing the files mentioned in this article it still files.
Here is error message
C:E12SP1>setup.com /ps
Welcome to Microsoft Exchange Server 2007 Unattended Setup
Preparing Exchange Setup
No server roles will be installed
Performing Microsoft Exchange Server Prerequisite Check
Organization Checks ......................... FAILED
The Active Directory schema will be upgraded if you continue. Verify that the o
rganization is ready for Exchange 2007 by running the Exchange 2007 Readiness Ch
eck, which is part of the Exchange Best Practices Analyzer.
This computer is running Windows Server 2008 R2 Enterprise. Exchange Server
2007 is not supported on this operating system.
The Exchange Server Setup operation did not complete. For more information, visi
t http://support.microsoft.com and enter the Error ID.
Am I missing anything here? Please suggest me.