Knowledge Base

The Exchange Recipient Update Service creates multiple recipient proxy addresses of the same type

Article ID: 835894

Article Last Modified on 10/25/2007

APPLIES TO

Microsoft Exchange Server 2003 Standard Edition
Microsoft Exchange Server 2003 Enterprise Edition

SYMPTOMS

You may notice that some recipients receive more proxy addresses than expected. These objects are typically resource mailboxes or Public Folder objects. Additionally, you may experience the following symptoms:

The number of proxy addresses may continue to increase.
The performance of Microsoft Windows domain controllers may decrease.
The processor usage of the Lsass.exe file may be close to 100 percent.

CAUSE

The Microsoft Exchange Recipient Update Service checks existing proxy addresses on recipient objects to verify whether they match the proxy addresses that are specified by recipient policies. If they do not match, the recipient policy proxy addresses are added to the recipient object. Certain formats of existing proxy addresses are incorrectly evaluated as not matching. This behavior causes the Recipient Update Service to add more proxy addresses.

RESOLUTION

Hotfix information

A supported hotfix is now available from Microsoft, but it is only intended to correct the problem that is described in this article. Only apply it to systems that are experiencing this specific problem. This hotfix may receive additional testing. Therefore, if you are not severely affected by this problem, we recommend that you wait for the next Microsoft Exchange Server 2003 service pack that contains this hotfix.

To resolve this problem immediately, contact Microsoft Product Support Services to obtain the hotfix. For a complete list of Microsoft Product Support Services telephone numbers and information about support costs, visit the following Microsoft Web site:

http://support.microsoft.com/contactus/?ws=support

Note In special cases, charges that are ordinarily incurred for support calls may be canceled if a Microsoft Support Professional determines that a specific update will resolve your problem. The usual support costs will apply to additional support questions and issues that do not qualify for the specific update in question.

Prerequisites

No prerequisites are required.

Restart requirement

You do not have to restart your computer after you apply this software update.

Hotfix replacement information

This hotfix does not replace any other software updates.

File information

The English version of this hotfix has the file attributes (or later file attributes) that are listed in the following table. The dates and times for these files are listed in coordinated universal time (UTC). When you view the file information, it is converted to local time. To find the difference between UTC and local time, use the Time Zone tab in the Date and Time tool in Control Panel.

   Date         Time   Version      Size       File name
   -----------------------------------------------------
   13-Feb-2004  03:04  6.5.6980.69  8,765,440  Mad.exe

STATUS

Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.

MORE INFORMATION

For additional information, click the following article number to view the article in the Microsoft Knowledge Base:

824684 Description of the standard terminology that is used to describe Microsoft software updates