Windows 7 Nonpaged Pool Srv Error 2017

Created: 24 July 2012 | Written by Patrik Forsberg | Print | Email

Windows 7 Nonpaged Pool Srv Error 2017

I ran into an issue today where my Linux box coulden't connect to my Windows 7 box for some reason. It kept complaining about " mount error(12): Cannot allocate memory Refer to the mount.cifs(8) manual page (e.g. man mount.cifs) " and that just didn't make sense. Just to make sure I even rebooted the Linux box but the issue presited so.. no it was not the Linux box this time!
I found this article while searching for an answer to my problem and yes.. it did fix the issue!
The original writer is someone called "Alan LaMielle" and his page can be found here.

Just in case that page goes away for some reason I've copied some of the information here for my own and perhaps others use.

This is a direct quote from that page so if Alan doesn't like it please contact me and I will remove it ASAP!

I’m using my Windows 7 machine as a file server in addition to it being my Media Center. I’m mounting a Samba (smb) share using CIFS from my Linux server so I can synchronize files using rsync. However, I ran into a problem after using the mounted share for a small amount of time. I found a simple solution after a bit of research.

After running rsync for a short amount of time, I discovered that I was getting memory allocation errors related to the Windows share. After unmounting, I attempted to remount the share and received the error:

mount error(12): Cannot allocate memory
 Refer to the mount.cifs(8) manual page (e.g.man mount.cifs)

After checking the Event Viewer System log, I found the following error:

Source: srv
 Event ID: 2017
 Level: Error
 The server was unable to allocate from the system nonpaged pool because the server reached the configured limit for nonpaged pool allocations.

Some research led me to find this Google Groups discussion about the problem and this Microsoft Technet article discussing the solution (look at the bottom of the page). Apparently you need to tell Windows that you want to use the machine as a file server and that it should allocate resources accordingly. Set the following registry key to ’1′:

HKLM\SYSTEM\CurrentControlSet\Control\Session Manager\Memory Management\LargeSystemCache

and set the following registry key to ’3′:

HKLM\SYSTEM\CurrentControlSet\Services\LanmanServer\Parameters\Size

After making these changes and restarting, I haven’t seen this issue arise again. Fixed!

Here is also a reg-file in copy-paste format that you can use that sets these values

Windows Registry Editor Version 5.00

[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\LanmanServer\Parameters]
"Size"=dword:00000003

[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Session Manager\Memory Management]
"LargeSystemCache"=dword:00000001

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Category: Registry Hacks

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