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Q183929: XCLN: Err Msg: Not a full Exchange system. Cannot continue…

Article: Q183929
Product(s): Microsoft Exchange
Version(s): 4.0,4.0 SP3,5.0,5.5
Operating System(s): 
Keyword(s): kbusage
Last Modified: 22-DEC-2000

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The information in this article applies to:

- Microsoft Exchange Windows 95/98 client, versions 4.0, 5.0 
- Microsoft Exchange Windows NT client, versions 4.0, 5.0 
- Microsoft Exchange Server, versions 4.0 SP3, 5.5 
- Microsoft Exchange, version 4.0 
- Microsoft Exchange Server, version 5.0 Service Packs 1, 2 
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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

Additional query words:

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Keywords          : kbusage 
Technology        : kbZNotKeyword8 kbZNotKeyword6 kbExchangeSearch kbExchange550 kbExchange400 kbExchangeClientSearch kbZNotKeyword kbZNotKeyword2 kbZNotKeyword3 kbExchange500SP1 kbExchange400SP3 kbExchange400NT kbExchange500NT kbExchange400Win95 kbExchange500Win95
Version           : :4.0,4.0 SP3,5.0,5.5
Issue type        : kbprb

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