Technical Tips

Windows-Network-Admin-Must-Know

http://www.windowsnetworking.com/articles_tutorials/10-Core-Concepts-Every-Windows-Network-Admin-Must-Know.html

Windows-7-Simple-TCPIP-Services For Sys Admin

http://www.windowsnetworking.com/articles_tutorials/Windows-7-Simple-TCPIP-Services-What-How.html

Using Windows Server as a NAT Router
Windows-Server-as-a-NAT-Router

Securing the Intranet in a World of Digital Natives
Securing the Intranet in a World of Digital Natives

10 must-have Windows server tools

http://blogs.techrepublic.com.com/10things/?p=1694&tag=tr-left 

IP Location Look up
http://en.utrace.de