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EventID 2019: The server was unable to allocate from the system nonpaged pool because the pool was empty.

Posted on 2004-08-18
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Last Modified: 2012-06-27
I've extensively searched this site for solutions to this problem as I found many answers but none have worked yet or did not relate to my setup.  

I'm running Windows Server 2003 Standard Edition, with a 1GB of RAM, and TrendMicro that's fully up-to-date (found an article on EE that suggested updating your anti-virus but that doesn't apply).  Unless of course, TrendMicro's most up to date version hasn't fixed this problem.

I ran perfmon and found that the nonpaged pool bytes are at 100% constantly.

This KB article doesn't apply because I'm not running Symantec: http://support.microsoft.com/default.aspx?scid=KB;EN-US;Q272568&

Under Task Manager, no processes are taking up a significant about of memory.

This KB article doesn't apply because I don't have 4,094 connections: http://support.microsoft.com/default.aspx?scid=kb;en-us;272194

This KB article doesn't apply because IPX isn't installed: http://support.microsoft.com/default.aspx?scid=kb;en-us;145906

I can reboot this server, but I need to know what I'm looking for once a checkdisk has been done to clear the nonpaged memory pool.

Also, while researching, I found some articles talking about memory leak.  What is it and how can you determine which app/process is causing the leak?

Thanks in advance for your help!!
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Question by:bcameron70
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by:Yan_west
ID: 11830613
From event ID:

" got this error on one of my DC with Windows 2k SP3. I got a Memory Leak which was caused by Open File Manager 7.x (see the service OFMNT.exe using pmon.exe). This program is supposed to allow the backup of open files. Since I stopped this service, I have no more this problem. The new version 8.1 of OFM behaves without creating a memory leak which leaves you the choice to upgrade or uninstall OFM 7.x."

"In Microsoft Small Business Server 2000 the windows proxy service leaks memory when a USRobotics PCI 56K faxmodem is installed with the drivers from the box. On a system with 512meg of ram it takes about 15 hours for the nonpaging pool to be exhausted. Downloading updated drivers from the USR web site seems to fix the problem."

"As per Microsoft: "This behavior can occur because the kernel-mode tag, Dynamic Access Protocol version 4 (DAP4), is leaking memory. This tag is provided by 3com. The tag is a driver that is loaded into the computer for the 3Com 3C980C-TXM network adapter.". See Q294346"
http://support.microsoft.com/default.aspx?scid=kb;en-us;Q294346

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by:Yan_west
ID: 11830629
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by:bcameron70
ID: 11830784
Open File Manager 7.x isn't installed.  Neither ofmnt.exe or pmon.exe are in the running processes list.

Dont' have a USR modem installed.  Actually dont' have any kind of modem installed at all.

I dont' have a 3Com NIC, I have dual Intel PCI 8255's installed with one disabled.

ISA server is not running.
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by:Yan_west
ID: 11830846
Damn.. It really seems like something tied to a memory leak.. Try looking for update drivers for all of your hardware..
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by:bcameron70
ID: 11830960
what is a memory leak?  and how can you determine which app/process is causing the leak?
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Yan_west earned 500 total points
ID: 11831006
A memory leak is an application that take up some memory from your ram, and doesnt release it. Your computer can't use it anymore.. If there is nothing in the event viewer mentionning any application, I think you'll have to try and check every component. SHould not be very complicated, your server doesnt seem very complex. Try updating all drivers for your different hardware. After check out all third party application and check if there is any updates for them..

That's all I can tell you.
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by:Yan_west
ID: 11852035
What was it?
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Expert Comment

by:vcomtech
ID: 12384236
I am having the same problem. I found this hotfix on the MS support site and contacted them to verify that this was the issue. I am applying the hotfix this weekend and will update you with my findings.

http://support.microsoft.com/default.aspx?scid=kb;en-us;826751
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Expert Comment

by:vcomtech
ID: 12443916
Actually, the fix above did not fix the memory leak. The problem was McAfee 8.0i and Windows 2003 server. There is a patch (#7) that fixes this problem.
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Author Comment

by:bcameron70
ID: 12444235
I applied the patch too just to check and I'm seeing tohe memory pooling up again.  I have 2 other servers almost identical for the same company which are not having the issue.  Strange, EH?  May be a printer driver for the location is doing it, they have 2 HP color laserjet units.
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