You may experience a paged pool memory leak when many clients create, copy, and delete files on an NTFS partition in Windows Server 2003 (891004)

SYMPTOMS

You may experience a paged pool memory leak when many Microsoft Windows Server 2003-based clients create, copy, and delete files on an NTFS file system partition. The memory leak is small. Therefore, the problem appears after several days. The following event is logged in Event Viewer:

Event Type:	Error
Event Source:	Srv
Event Category:	None
Event ID:	2020
Description:
The server was unable to allocate from the system paged pool because the pool was empty.

These symptoms appear to be resolved if you restart the server.

RESOLUTION

Service pack information

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

889100 How to obtain the latest service pack for Windows Server 2003

Hotfix information

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:

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.

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.
Windows Server 2003, x86-based versions

   Date         Time   Version            Size    File name
   --------------------------------------------------------------  
   05-Jan-2005  00:17  5.2.3790.245      619,008  Ntfs.sys

Windows Server 2003, Itanium-based versions

   Date         Time   Version            Size    File name
   --------------------------------------------------------------
   04-Jan-2005  08:21  5.2.3790.245    1,695,232  Ntfs.sys

MORE INFORMATION

You can use Performance Monitor or Memory Pool Monitor (Poolmon.exe) to monitor the paged pool memory leak.

For more information, click the following article numbers to view the articles in the Microsoft Knowledge Base:

811140 How to troubleshoot memory leaks in IIS

177415 How to use Memory Pool Monitor (Poolmon.exe) to troubleshoot kernel mode memory leaks