Here are some places you can find free support for Microsoft Nt :

Newsgroups

Frequently ask questions

Mailing lists

Recommended books

Inside Windows Nt - David A. Solomon; Paperback

Windows Nt in a Nutshell : A Desktop Quick Reference for System Administrators - Eric Pearce, Beverly Murray Scherf; Paperback

Mastering Windows Nt Server 4 - Mark Minasi, Peter Dyson; Hardcover