Your question it too broad.... and holds no specific fields to talk about... we can posts hundreds of posts to cover SOME points only ... I think you are talking about hardening your server software ... You may want to visit the following links: ....

[1] http://www.intersecu.org/texte/security/iis4_nt4sec.htm
[2] http://www.windowsitpro.com/Article/...282/22282.html
[3] http://secureknowledge.checkpoint.co...ecuring_NT.pdf

Cheers