Using Event Viewer remotely?

I'm trying to write an Event Viewer log entry from one
computer to another across the LAN, and I get the
following error:

System.UnauthorizedAccessException: Access to the
registry key is denied.
at Microsoft.Win32.RegistryKey.Win32Error

I realize its some sort of security-related issue,
but I can't seem to figure it out. Can somebody
help? Is it trying to log in using the account
credentials of the process i'm calling WriteEntry()
from?

Thanks,
Tom