RE: Exchange 2000 Standard to Enterprise Edition Upgrade
From: NickD (anonymous_at_discussions.microsoft.com)
Date: 04/20/04
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Date: Tue, 20 Apr 2004 05:06:03 -0700
Please See Microsoft Knowledge Base Article - 312426
Exchange 2000 Server
Exchange
Small Business Server
XADM: No Option to Upgrade from Exchange 2000 Server Standard Edition to Exchange 2000 Enterprise Server
SYMPTOMS
When you try to upgrade from Exchange 2000 Server Standard Edition to Exchange 2000 Enterprise Server, the component selection dialog box in Exchange 2000 Server Setup may not display the Reinstall option that allows you to upgrade. Instead, the dialog box displays only the None option.
CAUSE
This behavior can occur if you originally installed the Standard Edition from the Microsoft BackOffice Server 2000 installation CD-ROM. The BackOffice Server version is a later build than the retail version of Exchange 2000 Enterprise Server. Exchange 2000 Server Setup is designed to prevent your "upgrading" to software that is actually an earlier version.
WORKAROUND
WARNING: If you use Registry Editor incorrectly, you may cause serious problems that may require you to reinstall your operating system. Microsoft cannot guarantee that you can solve problems that result from using Registry Editor incorrectly. Use Registry Editor at your own risk.
To work around this behavior, follow these steps:
Quit Exchange 2000 Server Setup.
Start Registry Editor (Regedt32.exe).
Locate the NewestBuild value entry under the following key in the registry:
HKEY_LOCAL_MACHINE\Software\Microsoft\Exchange\Setup
On the Edit menu, click DWORD, and then change the value in the Data box:
If the Decimal option is selected under Radix, change the existing value (4629) in the Data box to 4417.
If the Hex option is selected under Radix, change the existing value (1215) in the Data box to 1141.
Click OK.
Quit Registry Editor.
Rerun Setup. The component selection dialog box should now list the Reinstall option.
MORE INFORMATION
Though you do not usually "upgrade" to an earlier version of software, in some cases (for example, if you reach the Standard Edition 16-gigabyte limit), an upgrade to Exchange 2000 Enterprise Server may be your only recourse. The modification under NewestBuild in the registry allows the Setup program for Exchange 2000 Enterprise Server to regard the currently installed BackOffice version of Exchange 2000 Server Standard Edition as a version that is at the same build level.
The following list identifies the build numbers for Exchange 2000 Server products and tells how the products are packaged. Build Software Product Packaging
----------------------------------------------------------------------------------------------------
4417.x Exchange 2000 Server Standard Edition Stand-alone retail product
4417.x Exchange 2000 Enterprise Server Stand-alone retail product
4629.x Exchange 2000 Server Standard Edition Included with BackOffice Server 2000 retail product
4629.x Exchange 2000 Server Standard Edition Included with BackOffice MSDN product
The information in this article applies to:
Microsoft Exchange 2000 Server
----- Ron Tasket wrote: -----
I am trying to upgrade my Exchange Server 2000 Standard
Edition to Enterprise Edition. The directions call for
running setup.exe from the Enterprise edition CD and
choosing "reinstall". The setup.exe on the Enterprise
edition CD is not giving me any action options (install,
remove, reinstall). Anybody have a clue?
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