Coreinfo - Show the mapping between logical processors and the physical processor, NUMA node, the socket they reside, and the cache's assigned to each logical processor.Contig - Optimize individual files or create new files that are contiguous.ClockRes - View the resolution of the system clock, which is also the maximum timer resolution.CacheSet - CacheSet is a program that lets you control the cache manager's working set size using functions provided by NT.BlueScreen - This screen saver accurately simulates blue screens and reboots as well (complete with CHKDSK).

BgInfo - This program generates desktop backgrounds that include important information about the system including IP addresses, computer name, network adapters, and more.Autoruns also shows you the full list of registry and file locations where applications can configure autostart settings. Autoruns - See what programs are configured to startup automatically when your system boots and you log in.Autologon - Bypass password screen during logon.AdRestore - Undelete Server 2003 Active Directory objects.AdInsight - An LDAP (Lightweight Directory Access Protocol) real-time monitoring tool aimed at troubleshooting Active Directory client applications.AdExplorer - The Active Directory Explorer is an advanced AD ( Active Directory) viewer and editor.

Use it to find holes in your permissions.

AccessEnum - Tool that shows who has what access to directories, files, and registry keys on your systems.

AccessChk - Command-line tool for viewing the effective permissions on files, registry keys, services, processes, kernel objects, and more.

Sysinternals Suite - The entire set of Sysinternals utilities rolled up into a single download.

Today, Windows Sysinternals includes a suite of Windows utilities that can be downloaded as a collection or individually for free from Microsoft. Formerly known as Winternals and initially released in 1996, Windows Sysinternals is now a product from Microsoft after it acquired Winternals Software on July 18, 2006.

Sysinternals suite tools list