Microsoft KB Archive/174165

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Knowledge Base

XADM: Directory Replication Error 1224 After Replacing Server

Article ID: 174165

Article Last Modified on 10/28/2006


  • Microsoft Exchange Server 5.0 Standard Edition

This article was previously published under Q174165


After moving a Microsoft Exchange Server bridgehead server or replacing an existing Exchange Server in a site, the Exchange Server administrator may notice a large number of the following errors in the Windows NT Application log:

Event ID 1224 MSExchangeDS Replication Fatal replication error (Internal ID 3030174). Parameters 6c1e673d9bd6d011b66b08002be5a6b2 22627.


This error occurs when Exchange Server checks the USN from an incoming replication message and determines the number is too high. This is a normal occurrence when moving bridgehead servers within a site or replacing servers within a site. In these circumstances, this error can be ignored.


Microsoft has confirmed this to be a problem in Microsoft Exchange Server version 5.0. This problem has been corrected in the latest U.S. Service Pack for Microsoft Exchange Server version 5.0. For information on obtaining the Service Pack, query on the following word in the Microsoft Knowledge Base:


Additional query words: dra restore repl

Keywords: kbbug kbfix kbusage KB174165