Install this update to address multiple issues in the IPSec Policy Agent. The IPSec Policy Agent (IPsecsvc.dll) manages Internet Protocol security policy. After you install this item, you may have to restart your computer. Update for Windows XP (KB907865) Update for Windows XP x64 Edition (KB907865) Update for Windows Server 2003 64-bit Itanium Edition (KB907865) Update for Windows Server 2003 (KB907865) Update for Windows Server x64 Edition (KB907865)