Windows-Expert.NET  
   FAQs, articles, seminars and a newsletter. Covers Windows XP/2000, Active Directory, DNS, and security.
   http://www.windows-expert.net/

WinPortal.com  
   Provides downloads, news, links, discussion boards, mailing lists, and reviews for users of Win 2000/XP software.
   http://www.winportal.com/

Search Win2000  
   Windows 2000 resource site with information, review, and FAQs.
   http://www.win2kworld.com/

Windows 2000 Performance Optimisation  
   Hints and tips to improve performance of the Windows 2000 Workstation, with trouble shooting.
   http://web.ukonline.co.uk/cook/Win2000.htm

InfiniSource  
   Resources for Windows 2000 users. Includes help with security issues, computer management and networking.
   http://www.windows-help.net/windows2000/

Windows 2000 Professional  
   Contains answers to frequently asked questions. Includes information on which services are required and when to enable/manual/disable them.
   http://www.blkviper.com/WIN2K/win2k.htm

Windows 2000 Tweaks by WinGuides  
   An extensive compilation of registry tweaks and hacks for optimizing, enhancing, and securing Windows 2000.
   http://www.winguides.com/registry/tweaks.php/Windows2000/

Win2000Talk Radio  
   Webcast library for Win2000 professionals. Covers topics like active directory, migration, and Internet security.
   http://www.win2000talk.com/

The Windows Support & Community Site  
   Reference guide and tutorials to setting up and maintaining Windows 2000 Professional and Server.
   http://www.geocities.com/explore_windows

SearchWin2000.com  
   Search for news, topics, tips, expert advice, discussions, products, vendors, careers, and white papers. Covers subjects such as applications, development, enterprise IT management, core technologies and platforms.
   http://searchwin2000.techtarget.com/

Guides Central  
   Information tutorals and resources on networking, VPN, NAT, ICS. Guides on setting up workgroups, troubleshooting networks, and tips on Win 2000/98/XP with reviews on firewalls and routers.
   http://www.guidescentral.com/

Windows 2000 training  
   Training on Windows 2000 server set-up and advanced administration
   http://www.sovereigntraining.net

SimPoSys  
   Turnkey IT Solutions for Small to Mid-Size comapanies. Offers a unique “Performance-Link” pricing, where the price goes down if your system goes down.
   http://www.simposys.com

Bitpipe  
   Research the latest Windows 2000 technologies, tools and techniques. Read white papers, case studies, webcasts and product information from multiple vendors.
   http://www.bitpipe.com/rlist/term/Windows-2000.html