http://blogs.technet.com/perfguru/archive/2009/02/19/file-copy-fails-with-the-error-insufficient-system-resources.aspxØ Apply KB 312362 http://support.microsoft.com/kb/312362 Ø Configure the below keys to maximize server resources. HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Lanmanserver\Parameters subkey, configure the following entries: • Name: MaxWorkItemsen-USCommunityServer 2.1 SP1 (Build: 61025.2)http://blogs.technet.com/perfguru/archive/2009/02/19/file-copy-fails-with-the-error-insufficient-system-resources.aspx#3204589Thu, 19 Feb 2009 20:10:45 GMTd5e57398-b9ef-4490-9955-07cbb4e4a80d:3204589Rustice<p>Just to add, if 4GT is in place, the problem is even worse. In some cases, it was necessary to disable 4GT, restart, copy, and then, enable it again, restart.</p>http://blogs.technet.com/perfguru/archive/2009/02/19/file-copy-fails-with-the-error-insufficient-system-resources.aspx#3204765Fri, 20 Feb 2009 04:44:34 GMTd5e57398-b9ef-4490-9955-07cbb4e4a80d:3204765Gurpreet<p>you implemented 324446 registry keys.. what is the reason for using it and what are these values for?</p>