Microsoft KB Archive/183929

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

Article ID: 183929

Article Last Modified on 10/28/2006

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APPLIES TO


 * Microsoft Exchange Client 5.5
 * Microsoft Exchange Client 5.0
 * Microsoft Exchange Client 4.0
 * Microsoft Exchange Client 5.0
 * Microsoft Exchange Server 4.0 Service Pack 3
 * Microsoft Exchange Server 5.0 Service Pack 1
 * Microsoft Exchange Server 5.0 Service Pack 2
 * Microsoft Exchange Server 5.5 Standard Edition
 * Microsoft Exchange Server 4.0 Standard Edition

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This article was previously published under Q183929



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:

165961 How to Fully Remove the Exchange Windows 95 and Exchange Windows NT Client

Keywords: kbprb kbusage KB183929

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