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Documentation such as Implementation Guides, Best Practices, Troubleshooting guides, and Knowledge Base Articles

http://www.symantec.com/business/support/index?pag...

Symantec Network Access Control Whitepapers

https://www-secure.symantec.com/connect/downloads/symantec-network-access-control-whitepapers

How to Install Symantec Network Access Control

http://www.symantec.com/connect/downloads/how-install-symantec-network-access-control

Check some articals

Working with Custom HOST INTEGRITY (HI) Policy using the “CUSTOM REQUIREMENT LOGIC”

https://www-secure.symantec.com/connect/articles/working-custom-host-integrity-hi-policy-using-custom-requirement-logic

What all can you do with Symantec Network Access Control?

https://www-secure.symantec.com/connect/articles/what-all-can-you-do-symantec-network-access-control

How to Install Symantec Network Access Control when SEPM is already installed and Running

http://www.symantec.com/connect/articles/how-install-symantec-network-access-control-when-sepm-already-installed-and-running

What's new in SNAC 12.1

http://www.symantec.com/connect/articles/whats-new-snac-121

SEP and SNAC - An Unbeatable Combination

https://www-secure.symantec.com/connect/articles/sep-and-snac-unbeatable-combination