windowswideopen is a collection of blog entries detailing technical information related to Windows and Microsoft products. These blog entries are leveraged by IT-Pros and system administrators for configuration and troubleshooting of Windows based systems.
Experience the real thing, build your own lab. Free study labs and documents, command lists, router/switch procedures, lab suggestions, and more.

Free certification practice exams, study guides, articles, forums, jobs, tutorials and more

A complete computer reference site and tutorial database.

MCSE Directory
A great collection of certification-related study resources

The Elder Geek on Windows XP
An excellent site for all things Windows XP!

Great introduction to certification for newbies.

Learn how to get certified – for less!

Computer Help and Tips – MalekTips
Computer and technology help. Windows (including Windows XP), DOS, Microsoft Word, anti-spyware, Internet Explorer, electronic mail, the Internet, digital camera, HTML, buying tips, MP3 players, more.

Tutorial Resources
A great list of links to tutorial-related web sites across the web
MCSEworld by Daniel Petri is one of the most comprehensive MCSE and IT related web sites. With hundreds of Windows 2000, NT, XP and Exchange 2000 related tips, tricks and how-to articles, MCSEworld has become one of the world’s leading MCSE and IT related knowledge bases.

Experts Exchange
Excellent support forums across a wide range of topics and technologies