Modify the Event Viewer

HI at all!

First,excuse for my english,i'm italian,i hope you can understand my
request...


I work on a computer in a LAN,where all computers have the local disk
shared as "C$",so all users can access to other computers editing start
-> run" \\<computername>\c$".

I need to modify the event viewer for controlling access to my hard
disk.

I edit start -> run "gpedit.msc" to activate the protection
warnings,and in the cartel wich I want to control,I add in the
protection settings the users that i want to control


The problem is that i see in the Event Viewer the USER that enter in my
hard disk,but not the compuer name. I need to see also the computer
name..

How can i add this Information on the event viewer?

Many thanks at all!!

.