In high security environments you can use Reservations to ensure the security and availability of DHCP servers.
Wireless networks add a significant level of convenience for many users. The ability to roam at will and access the network without adding wires is quite useful. But, you need to do so securely. There are a number of basic steps you should take to protect your wireless network and filtering MAC addresses is one more way to secure it.
To enhance security you can prevent users from using the RunAs command.
Want a quick hard-copy report of quota usage on a volume?
This is a VBScript which I wrote. It allows you to mount/dismount/delete a store at the command line, so you can do an offline defrag, etc.