Microsoft KB Archive/250396

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Access Violation in Addusrw.exe with More Than 5,000 Recipients

Article ID: 250396

Article Last Modified on 10/19/2005


  • Microsoft BackOffice Small Business Server 4.5

This article was previously published under Q250396


In BackOffice Small Business Server (SBS) version 4.5, the User Account Wizard (Addusrw.exe) may generate an "Access violation" error message when more than 5,000 custom recipients exist in the version of Microsoft Exchange Server that is included with SBS 4.5.


This problem occurs because the Add User Wizard operates under the assumption that the number of recipients in SBS will be less than 5,000.


A supported hotfix is now available from Microsoft, but it is only intended to correct the problem that this article describes. Apply it only to systems that are experiencing this specific problem.

To resolve this problem, 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:

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.

The English-language version of this fix should have the following file attributes or later:

   File Name      Version
   Saminfo1.ocx   4.5.726.1


Microsoft has confirmed that this is a problem in the Microsoft products that are listed at the beginning of this article.

Keywords: kbbug kbfix kbqfe KB250396