If this is your error message:
Event ID: 9582
Event Type: Error
Event Source: MSExchangeIS
Event Category: Performance
Description: The virtual memory necessary to run your Exchange server is fragmented in such a way that normal operation may begin to fail. It is highly recommended that you restart all Exchange services to correct this issue.
For more information, click the following article number to view the article in the Microsoft Knowledge Base: 895407
In Exchange Server 2003, message delivery to local mailboxes and to external mailboxes is slower than you expect after you configure delivery restrictions based on distribution groups
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. This hotfix might receive additional testing. Therefore, if you are not severely affected by this problem, we recommend that you wait for the next software update that contains this 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.
Microsoft Exchange 2003 Service Pack 2 (SP2) must be installed before you apply this hotfix.
You must restart your computer after you apply this hotfix.
Hotfix replacement information
This hotfix does not replace a previously released hotfix.
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 item in Control Panel.
File name File version File size Date Time
Drviis.dll 6.5.7652.17 135,168 05-Mar-2007 18:44
Exsmtp.dll 6.5.7652.17 406,528 05-Mar-2007 03:14
Gwart.dll 6.5.7652.17 66,560 05-Mar-2007 17:42
Phatcat.dll 6.5.7652.17 493,568 05-Mar-2007 18:41
Reapi.dll 6.5.7652.17 840,192 05-Mar-2007 19:14
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Microsoft has confirmed that this is a problem in the Microsoft product
The best remedy you can do is to remove the excess virtual memory set to your computer server. You can do this by right clicking the Computer or My Computer, click the Advanced Tab or link, under the performance click the Settings, click the Advance Tab, then finally click the change at the bottom. From that setting, you can set your preferred amount of virtual setting for your computer.