The following articles and white papers have been updated to include the following:

• The new recommendation against placing a VPN server behind a network address translator (NAT) when using Internet Protocol security (IPSec) NAT traversal (NAT-T)
• The inclusion of IPSec NAT-T support in Windows XP Service Pack 2
• The new default behavior of IPSec NAT-T in Windows XP Service Pack 2

Resources updated:

• Virtual Private Networking with Windows Server 2003: Overview
• Virtual Private Networking: Frequently Asked Questions
• Virtual Private Networking with Windows Server 2003: Deploying Remote Access VPNs
• Virtual Private Networking with Windows Server 2003: Deploying Site-to-Site VPNs