samba - Nov 2004 - net rpc shutdown not working

hi
jI'm trying to shutdown some windows XP clients with
net rpc shutdown -S <name>  -U administrator%password
but all i get is this error
[2004/11/26 10:44:32, 0] utils/net_rpc.c:rpc_shutdown_internals(4113)
 Shutdown of remote machine failed!

I'm using Version 3.0.8-Debian
and le client are using winXP SP2 (the firewall is not activated)

if someone can help

thank

cyril

hi
jI'm trying to shutdown some windows XP clients with
net rpc shutdown -S <name>  -U administrator%password
but all i get is this error
[2004/11/26 10:44:32, 0] utils/net_rpc.c:rpc_shutdown_internals(4113)
Shutdown of remote machine failed!

I'm using Version 3.0.8-Debian
and le client are using winXP SP2 (the firewall is not activated)

if someone can help

thank

cyril