The Windows Support Tools for Microsoft Windows XP are intended for use by Microsoft support personnel and experienced users to assist in diagnosing and resolving computer problems. The following Support Tools have been updated in Service Pack 2:
• bitsadmin.exe
• extract.exe
• httpcfg.exe
• iadstools.dll
• ipseccmd.exe
• netdom.exe
• replmon.exe

Download:
http://www.microsoft.com/downloads/details.aspx?FamilyID=49ae8576-9bb9-4126-9761-ba8011fabf38&DisplayLang=en