Microsoft KB Archive/197280

= XADM: Changes to Domain Names Cause Large Incremental Downloads =

Article ID: 197280

Article Last Modified on 10/28/2006

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APPLIES TO

 Microsoft Exchange Server 5.5 Standard Edition Microsoft Outlook 97 Standard Edition, when used with:  Microsoft Windows NT 4.0

 Microsoft Windows 98 Standard Edition

 Microsoft Windows 95 </li> Microsoft Outlook 98 Standard Edition, when used with:  Microsoft Windows NT 4.0</li></ul>

 Microsoft Windows 98 Standard Edition</li></ul>

 Microsoft Windows 95</li></ul> </li></ul>

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This article was previously published under Q197280

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SYMPTOMS
Incremental downloads occur that are much larger than expected. When address additions or modifications cause new SMTP domains in the address book, this problem may occur.

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CAUSE
Client Offline Address Book information contains domain name offsets that do not match the server offsets. This causes the server to send a large number of updates.

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RESOLUTION
To resolve this problem, obtain the latest service pack for Exchange Server version 5.5. For more information, please see the following article in the Microsoft Knowledge Base:

191014 XGEN: How to Obtain the Latest Exchange Server 5.5 Service Pack

The English version of this fix should have the following file attributes or later:

Component: Directory

<pre class="fixed_text">  File Name    Version ---  Oabgen.dll   5.5.2419.0

Component: Outlook Clients

<pre class="fixed_text">  File Name    Version ---  EMSABP32.DLL  5.5.2426.0

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STATUS
Microsoft has confirmed this to be a problem in Microsoft Exchange Server version 5.5. This problem was first corrected in Exchange Server 5.5 Service Pack 2.

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MORE INFORMATION
This fix has both a server-side and client-side fix. The client-side fix allows for a new file to be created on the client. This new OAB file, called Pdndex.oab, holds changes to Domain Names. Clients must be updated to the Emsabp32.dll version 5.5.2426.0 for this fix to be effective.

The Oabgen.dll file goes on the Exchange Server computer designated in the site for OAB generation. Because the OAB-generating server can be changed to a different server, it is a good practice to update the Oabgen.dll file on all Exchange Server computers.

Additional query words: misdirected recipient differences

Keywords: kbhotfixserver kbqfe kbbug kbfix kbqfe KB197280

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