Windows 7: Remote Shutdown

I tried to remote shutdown an XP SP3 workstation from a windows 7 workstation.
I used the following command:

"shutdown /m \\huttesrv001.hutte.local /s /f"

but I always get an error: "huttesrv001.hutte.local: Access is denied.(5)"

where huttesrv001.hutte.local is the name of the remote workstation I want to shutdown. (I used the IP address instead of the name with same results).



my logon account (name and password) is the same on both workstations)

I stopped the Firewall settings on the XP workstation but to no avail.

When I make a Remote Desktop Connection to the XP workstation I can shutdown it from there.

Has anyone an idea how I can force a remote shutdown?

does the shutdown -i work when you enter the machine name and credentials?

your username will have to be: remotemachine\username

From the cobwebs of my brain:

Establish a connection first so that you are authenticated, such as mapping a drive. Windows is supposed to remember that association and use it when you run the shutdown command.

Again, that's from the dusty old cobwebs of my memory. Hope that's right.

Much appreciated both for the quick answer.
A very strange thing happened this morning:when I booted my PC: everything worked as it should be: I can remotely startup and shutdown my remote XP workstation!
glad of fcourse but now I'll never know why it didn't work yesterday.
nevertheless, I'll keep your replies in mind.
I put the 2 commands (startup and shutdown) in Gpedit.msc -Computer Configuration - Windows Settings - Scripts(Startup/Shutdown) so the remote PC starts up and shuts down with my Windows 7 workstation.

I have 2 scripts running through:
GpEdit.msc
Computer Configuration
Windows Settings
Scripts (Startup/shutdown)

the startup script starts a remote PC (=OK)
the shutdown script shuts down the remote PC (= NOT OK)

the shutdown script works well if I execute it manually.
is it possible that when the script runs during shutdown the network is already unavailable? And how can I solve this problem.