Microsoft KB Archive/263710

= XADM: Exchange Replication Does Not Work with Event IDs 1102 and 1103 Between Sites =

Article ID: 263710

Article Last Modified on 10/27/2006

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APPLIES TO


 * Microsoft Exchange Server 5.5 Service Pack 3

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This article was previously published under Q263710



NOTE: If the Exchange Server computer that performs directory replication in your system does not have an anti-virus application programming interface (API) mode virus scanner installed, this article does not apply.



SYMPTOMS
Replication between sites may stop working sporadically and the following event IDs may be logged on the directory replication bridgehead servers:

Source: MSexchangeDS

MessageId=1102

Severity=Warning

During intersite replication, the directory replication agent (DRA) closed the connection to the mail service in response to error %1. Will attempt to connect again later.

Source: MSexchangeDS

MessageId=1103

Severity=Warning

During intersite replication, the directory replication agent (DRA) received a non-delivery report (NDR) for messages submitted for the directory at %1. The diagnostic is %2. The reason is %3.



CAUSE
This issue can occur because Exchange Server 5.5 Service Pack 3 makes virus-scanning APIs available to speed up attachment scanning. Because of this, certain replication problems can occur if the replication messages contain attachments. For additional information, click the article number below to view the article in the Microsoft Knowledge Base:

259163 XADM: Recipients Cannot Open Attachments If Virus Scanning Interfaces Are Enabled



RESOLUTION
To resolve this issue, temporarily uninstall the anti-virus application programming interface (API) scanner and apply the information store fix, build 5.5.2652.42, that is described in the following Microsoft Knowledge Base article:

262491 XADM: Information Store Crashes When Using Antivirus Application Programming Interface

That fix includes the fix that is described in the following Knowledge Base article:

259163 XADM: Recipients Cannot Open Attachments If Virus Scanning Interfaces Are Enabled

Then reinstall anti-virus application programming interface (API) scanner.

Additional query words: VAPI

Keywords: kbprb KB263710

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