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How to Move Exchange 2003 to New Hardware and Keep
the Same Server
Name
1. Make a full backup of all the Exchange 2003 storage
groups and the Site
Replication Service (SRS) database on the existing Exchange 2003 computer.
2. Take the existing Exchange 2003 computer offline.
3. Reset the computer account for the existing Exchange 2003 computer. To
do so, follow these steps:
a. Start Active Directory Users and Computers.
b. Locate the computer account for the existing Exchange 2003 computer,
right-click the computer account, and then click Reset Account.
4. Bring the new computer online, and then confirm that the new computer is
running the same operating system that was installed on the existing
Exchange 2003 computer.
5. Rename the new computer to the same name as the original computer, and
then join this computer to the domain.
Note: You must not delete the original computer account from the domain
before you join the new computer to the domain. Additionally, do not delete
the original Exchange server from Exchange System Manager.
6. Use an Exchange 2003 Full Administrator account to log on to the new
computer.
7. Install any components that Exchange 2003 requires, such as the NNTP
service, the SMTP service, and the World Wide Web service.
8. Configure drive letters on the new server to map to or match the
configuration of the old server, for drives that contained Exchange data,
with sufficient space to accommodate the restored data.
9. Run Exchange 2003 Setup with the following parameter:
Setup /disasterrecovery
Make sure that you click Action-Disaster Recovery for the Messaging and
Collaboration services and for Exchange System Management Tools.
10. When the Setup program has completed, install the Exchange 2003 service
pack that was installed on the existing server by using the
/disasterrecovery switch.
11. Examine the registry to see if the following registry subkey exists:
HKEY_LOCAL_MACHINE\Software\Microsoft\Exchange\Setup
If the HKEY_LOCAL_MACHINE\Software\Microsoft\Exchange\Setup subkey does not
exist, add a DWORD value and the following hexadecimal value, based on the
service pack value:
DWORD value name: ServicePackBuild
Hexadecimal value: number
The number for the hexadecimal value varies based on the service pack as
follows:
The hexadecimal number for the original release version without a service
pack installed is 1B20
The hexadecimal number for Service Pack 1 is 1C3A
The hexadecimal number for Service Pack 2 is 1DD6
12. Install any Exchange 2003 post-service pack hotfixes that were
installed on the existing server.
13. In separate restoration jobs, restore the storage groups and the Site
Replication Service (SRS) database from the Exchange 2003 server backup.
14. Mount all the stores after the restoration is complete. Make sure that
clients can connect and that mail can flow.
Note: If the IP address of the Exchange 2003 computer changes,
make sure that you update Domain Name System (DNS) records. If you do not
update DNS records, other servers may try to connect to the previous
address.
For more information please refer to:
How to Move Exchange Server 2003 to New Hardware and Keep the Same Server
Name
http://technet.microsoft.com/en-us/library/aa997176.aspx
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