how to use Robocopy.exe Sync file at special security folder ?

hi
Date: 03/24/05 

Date: Thu, 24 Mar 2005 16:32:38 +0800

Dear all :

I try Robocopy.exe Sync file, like this:
robocopy D:\data //192.168.0.5/data /s
It is working at normal.

But, when try some folder have special security, that admin can't access it.
Robocopy.exe can't work.

How I can sync file like this case ?

THX