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Windows Sysinternals are a set of powerful Windows utilities that “help you manage, troubleshoot and diagnose your Windows systems and applications”. There are dozens of free, light-weight applications available here separated into the following categories:

• File and Disk Utilities
• Networking Utilities
• Process Utilities
• Security Utilities
• System Information
• Miscellaneous Utilities

Any Windows network administrator, security professional, developer, or technical support analyst will be able to find many useful tools here.

http://technet.microsoft.com/en-us/sysinternals/default.aspx

VBScript is a great language to quickly accomplish Microsoft-specific tasks in a Windows environment. From managing local or network security groups to automating account modifications in Active Directory the Visual Basic scripting language can do it all.

http://www.activexperts.com/activmonitor/windowsmanagement/scripts/

http://www.microsoft.com/technet/scriptcenter/scripts/ad/users/default.mspx

http://techtasks.com/code/listlangs

http://www.w3schools.com/vbscript/vbscript_ref_functions.asp

AccessEnum is a free tool for Windows to view all the permissions set on a specific directory in a Windows environment. This tool helps locate variations and improper permissions set throughout a file system.

http://www.microsoft.com/technet/sysinternals/FileAndDisk/AccessEnum.mspx

The Group Policy Management Console is a great free plug-in for the standard Active Directory Management tool. It gives a clear and precise view of all the Group Policy Objects in the domain. It makes for easy modification and creation of GPOs.

Additional information and download link here:

http://www.microsoft.com/windowsserver2003/gpmc/gpmcintro.mspx