XCLN: Err Msg: Not a full Exchange system. Cannot continue...

• Microsoft Exchange Windows 95/98 client, versions 4.0, 5.0
• Microsoft Exchange Windows NT client, versions 4.0, 5.0
• Microsoft Exchange Server, version 4.0 Service Pack 3
• Microsoft Exchange Server, version 4.0 Service Pack 4
• Microsoft Exchange Server, version 5.0 Service Packs 1, 2

SYMPTOMS

When you try to apply any of the above service packs, the following error message appears:

Not a full Exchange system. Cannot continue with update.

CAUSE

The Microsoft Exchange Windows 95 or Windows NT client is actually the installed Windows Messaging client rather than the retail version of the Exchange client.

WORKAROUND

To work around this problem, remove the Exchange Windows 95 or Windows NT Messaging client completely and install the retail version of the Microsoft Exchange client by following the steps below:

NOTE: These steps are for installing Service Pack 3 on the Microsoft Exchange client version 4.0. You must make adjustments for installing other versions and service packs.

1. Go to Add/Remove Programs in Control Panel.



2. Select the Windows 95 Setup tab or the Windows NT Setup tab.



3. Select the Windows Messaging option in the Component List.



4. Click the Details button.



5. Clear the Windows Messaging option check box.



6. Click OK to confirm your selection.



7. Click OK on the Add/Remove Programs Property page to finalize the changes.



8. Install the retail version of the Exchange client.



9. Install Service Pack 2, following instructions in the Exchange Service Pack Readme.txt file.



10. Install Service Pack 3, following instructions in the Exchange Service Pack Readme.txt file.

MORE INFORMATION

If the Exchange Windows 95 or Windows NT client does not completely uninstall, see the following Microsoft Knowledge Base article:

Q165961 How to Fully Remove the Exchange Windows 95 and Exchange Windows NT Client

Keywords : kbusage XCLN
Version : WINDOWS:4.0
Platform : WINDOWS
Issue type : kbprb