Microsoft KB Archive/329612

= XCON: E-Mail Address Proxy Becomes Disabled or Is Deleted After it Is Enabled =

Article ID: 329612

Article Last Modified on 2/28/2007

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APPLIES TO


 * Microsoft Exchange Server 5.5 Standard Edition
 * Microsoft Exchange 2000 Server Standard Edition
 * Microsoft Exchange 2000 Enterprise Server

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This article was previously published under Q329612





SYMPTOMS
After you install a new connector on an Exchange 2000 Server-based computer that is joined to an existing Exchange Server 5.5 site, you may experience one of the following symptoms:
 * When you enable (click to select the check box of) the new proxy type that is created in the recipient policy by the installation of the new connector, the proxy later becomes disabled (the check box is cleared).
 * When you enable (click to select the check box of) the new proxy type that is created in the recipient policy by the installation of the new connector, the proxy is later deleted from the recipient policy.



CAUSE
This problem may occur if a replication conflict occurs between Exchange Server 5.5 and Active Directory, and is dependent upon the timing of the Active Directory Connector (ADC) replication cycle.

The ADC does not perform a time-stamp check for the recipient policy when it replicates changes from Exchange 5.5 Server to Active Directory. The replication is performed even if the target object has a newer time stamp than the source. Because the Gateway Routing Address Table (GWART) and the site-proxy-space are linked to the same object in Exchange Server 5.5, any changes to either the GWART or the site-proxy-space are replicated to both the GWART and the Exchange 2000 Server recipient policy. If you make a change to a recipient policy such as enabling the new proxy e-mail address that is created by the installation of a new connector, and if the site-addressing object is changed in Exchange 5.5 (because of GWART generation or proxy-space computation), you may lose the changes that you have made to the recipient policy.



WORKAROUND
To work around this problem, re-enable the proxy e-mail address if it has become disabled. If the proxy e-mail address has been deleted, you must reinstall the connector to restore it.



STATUS
Microsoft has confirmed that this is a problem in Microsoft Exchange Server 5.5.



MORE INFORMATION
The Exchange Server 5.5 GWART is generated in the following situations:
 * When a connector is changed.
 * When a change is made to the site-addressing object.
 * When a new site is added to the organization.
 * When it is triggered by the routing calculation schedule. By default, this schedule is configured to run one time a day, but if it has been set to &quot;Always&quot;, the GWART is generated every 15 minutes.

For additional information about related topics, click the article numbers below to view the articles in the Microsoft Knowledge Base:

149121 XCON: Gateway Address Routing Table Information

263845 XADM: How to Modify Recipient Settings in Exchange System Manager

Keywords: kbbug kbpending KB329612

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