Event ID 2019 source srv nonpaged pool empty

I've an old SBS2003 server that's developed a memory leak that's getting worse.  Its crashing regularly and watching the performance counter can visibly see pool nonpaged allocated memory increasing throughout the day until the server becomes unresponsive.

Does anyone have any idea how I can find out what is causing the memory leak?
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Seth SimmonsSr. Systems AdministratorCommented:
what software do you have installed besides the sbs components?
SimonLewisAuthor Commented:
ESET and Acronis primarily, Kaseya is monitoring it and LogMeIn, I think that's about it.
Jeffrey Kane - TechSoEasyPrincipal ConsultantCommented:
There are lots of things which can cause this.

First, take a look at this PAQ to see if it helps:  http:Q_26401166.html#a33440397

Otherwise, please answer the following:
how much RAM do you have installed?
What's the size of your paging file?
How much disk space is available on C:?
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SimonLewisAuthor Commented:
I hadn't added the /3GB so I am trying that right now.
It's a 2GB machine with. 4GB swap file
The c: drive is 68GB drive with 44GB of space.
Jeffrey Kane - TechSoEasyPrincipal ConsultantCommented:
I didn't forward that to you to get you to add the /3gb switch -- its not recommended on SBS.  There were other things in that post.

That being said... I doubt that 2GB is enough to run your machine at this point.  SBS 2003 goes out of mainstream support next month.  That server is most likely 8 to 10 years old?  The RAM could easily be failing and because there is only 2GB, there's no margin for any of it to fail.

At the very least, open up the case, blow out all the dust and re-seat the RAM.  Make sure it is running cool with all fans operating correctly.

If you aren't ready to migrate off that server, consider virtualizing it onto a new machine for awhile just to give yourself breathing room.  P2V of SBS 2003 is fairly simple.

Seth SimmonsSr. Systems AdministratorCommented:
has anything changed, especially in terms of drivers or recent updates?
non-paged memory is used by the kernel and device drivers which is why i asked about software that may have some kernel-mode driver

can't see how faulty memory would cause an issue with only one portion of the OS
Seth SimmonsSr. Systems AdministratorCommented:
also, take a look at this article

Pushing the Limits of Windows: Paged and Nonpaged Pool

go a little more than half-way down to the "tracking pool leaks" section
it shows some sysinternals tools to help track down the source of the leak

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Seth SimmonsSr. Systems AdministratorCommented:
any update on this?
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Windows Server 2003

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