Tips for improving performance with Windows 2008 Server:
Should only be using the R2 release. There is a problem in Server 2008 (not R2) that causes the OS to cache application data like 4D’s to disk even when there is plenty of RAM. This kills performance. This is fixed in R2. See http://support.microsoft.com/kb/976618
Set the server to “Application Server” role using the Add Roles wizard.