gethostbyaddr failed!

[Ka Ho Kwok]

i get this error msg in my log.smb file when i try and connect to a shared 
directory thru samba

[2001/01/06 00:52:06, 1] lib/util_sock.c:client_name(1007)
  Gethostbyaddr failed for 192.168.1.101

wat does it all mean and y doesnt it work?
_________________________________________________________________________
Get Your Private, Free E-mail from MSN Hotmail at http://www.hotmail.com.