http://blogs.technet.com/b/cotw/archive/2008/04/07/symptoms-lack-of-free-system-page-table-entries-ptes-system-wide-delays-i-o-request-failures-and-low-on-paged-pool-memory-and-or-non-paged-pool-memory-on-32-bit-windows.aspxIntroduction The purpose of this article is to provide prescriptive guidance on how to troubleshoot free system page table entries (PTEs) in regards to Windows performance analysis. Start with the following performance counters to analyze free systemen-USTelligent Evolution Platform Developer Build (Build: 5.6.50428.7875)http://blogs.technet.com/b/cotw/archive/2008/04/07/symptoms-lack-of-free-system-page-table-entries-ptes-system-wide-delays-i-o-request-failures-and-low-on-paged-pool-memory-and-or-non-paged-pool-memory-on-32-bit-windows.aspx#3385428Mon, 07 Feb 2011 14:27:20 GMTd5e57398-b9ef-4490-9955-07cbb4e4a80d:3385428Miro<p>Kevin:</p> <p>Please take a look on the memory management registry keys under HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Session Manager\Memory Management. Especially, look for &quot;SystemPages&quot; dword value. Default should be 0x0, if this is set this to another value, it may be the root cause of this condition on your system (<a rel="nofollow" target="_new" href="http://technet.microsoft.com/en-us/library/cc786402(WS.10).aspx">technet.microsoft.com/.../cc786402(WS.10).aspx</a>).</p> <div style="clear:both;"></div><img src="http://blogs.technet.com/aggbug.aspx?PostID=3385428" width="1" height="1">http://blogs.technet.com/b/cotw/archive/2008/04/07/symptoms-lack-of-free-system-page-table-entries-ptes-system-wide-delays-i-o-request-failures-and-low-on-paged-pool-memory-and-or-non-paged-pool-memory-on-32-bit-windows.aspx#3315800Sat, 27 Feb 2010 13:35:54 GMTd5e57398-b9ef-4490-9955-07cbb4e4a80d:3315800Kevin Sanders<p>Clint,</p> <p>i'm getting &quot;running out of Free PTEs &quot; on a Windows Server 2003 64 bit edtion with 128 GB of RAM.</p> <p>How is this possible on this version ?</p> <div style="clear:both;"></div><img src="http://blogs.technet.com/aggbug.aspx?PostID=3315800" width="1" height="1">http://blogs.technet.com/b/cotw/archive/2008/04/07/symptoms-lack-of-free-system-page-table-entries-ptes-system-wide-delays-i-o-request-failures-and-low-on-paged-pool-memory-and-or-non-paged-pool-memory-on-32-bit-windows.aspx#3035818Sun, 13 Apr 2008 03:02:02 GMTd5e57398-b9ef-4490-9955-07cbb4e4a80d:3035818Lost Drive Blog &raquo; Symptoms: Lack of Free System Page Table Entries (PTEs), system &#8230;<p>PingBack from <a rel="nofollow" target="_new" href="http://lostdriveblog.com/2008/04/07/symptoms-lack-of-free-system-page-table-entries-ptes-system/">http://lostdriveblog.com/2008/04/07/symptoms-lack-of-free-system-page-table-entries-ptes-system/</a></p> <img src="http://blogs.technet.com/aggbug.aspx?PostID=3035818" width="1" height="1">