Error during loging to a remote pc using WMI

Sep 19 2005 4:23 AM

i tried the code for WMI eventlog given in Article on c# corner but i got the following error during 
 connecting to remote pc 

"

An unhandled exception of type 'System.Runtime.InteropServices.COMException' occurred in system.management.dll

Additional information: The RPC server is unavailable.

"

Can somebody suggest what has gone wrong  .