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Many Lotus Notes proxy addresses appear in the properties of a user account in a domain where Exchange Server 2003 is installed

This article has been archived. It is offered "as is" and will no longer be updated.
When you view the E-mail Addresses tab in the username Properties dialog box of a user in the Active Directory Users and Computers tool, you notice that many Lotus Notes proxy addresses appear in the E-mail addresses list. Additionally, the number of Lotus Notes proxy addresses increases for this user account every time that the Microsoft Exchange Server 2003 Recipient Update Service runs.
This problem occurs if both of the following conditions are true:
  • The user account does not have a first name or a last name specified in the username Properties dialog box in the Active Directory Users and Computers tool.
  • The Lotus Notes Address proxy e-mail address specifies the first name and last name variables. For example, you use a Lotus Notes proxy address that is similar to the following:
    &g&s/First Administrative Group/
    Note The g variable stands for "given name" (first name), and the s variable stands for "surname" (last name).
This problem occurs because when the Recipient Update Service runs in the domain, it examines the current proxy addresses to determine if they have been modified. In the scenario where you stamp a proxy address that specifies the last name and the first name but the user account does not have a last name or a first name, the Recipient Update Service determines that this proxy address has been modified. Therefore, it creates an additional Lotus Notes proxy address every time that it runs.

Service pack information

To resolve this problem, obtain the latest service pack for Exchange Server 2003. For more information, click the following article number to view the article in the Microsoft Knowledge Base:
836993 How to obtain the latest service packs for Exchange Server 2003

Hotfix information

A supported hotfix is available from Microsoft. However, this hotfix is intended to correct only the problem that is described in this article. Apply this hotfix only to systems that are experiencing this specific problem.

If the hotfix is available for download, there is a "Hotfix download available" section at the top of this Knowledge Base article. If this section does not appear, submit a request to Microsoft Customer Service and Support to obtain the hotfix.

Note If additional issues occur or if any troubleshooting is required, you might have to create a separate service request. The usual support costs will apply to additional support questions and issues that do not qualify for this specific hotfix. For a complete list of Microsoft Customer Service and Support telephone numbers or to create a separate service request, visit the following Microsoft Web site: Note The "Hotfix download available" form displays the languages for which the hotfix is available. If you do not see your language, it is because a hotfix is not available for that language.


No prerequisites are required to install this hotfix.

Restart requirement

You do not have to restart your computer after you install this hotfix. However, all the following services are automatically stopped and then restarted when you install this hotfix:
  • MSExchangeMTA
  • MSExchangeIS
  • MSExchangeSA

Hotfix replacement information

This hotfix does not replace any other hotfixes.

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   --------------------------------------------------------------   05-May-2004  02:32  6.5.6980.87        38,912  Ntspxgen.dll
To work around this problem, manually remove the extra Lotus Notes proxy addresses.
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section. This problem was first corrected in Exchange Server 2003 Service Pack 2.
For more information, click the following article numbers to view the articles in the Microsoft Knowledge Base:
824684 Description of the standard terminology that is used to describe Microsoft software updates
817903 New naming schema for Exchange Server software update packages
The third-party products that this article discusses are manufactured by companies that are independent of Microsoft. Microsoft makes no warranty, implied or otherwise, regarding the performance or reliability of these products.

Article ID: 840668 - Last Review: 01/07/2015 19:39:54 - Revision: 5.4

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

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