IISRESET.EXE (c) Microsoft Corp. 1998-1999

Usage: iisreset [computername]

/RESTART
    Stop and then restart all Internet services.

/START
    Start all Internet services.

/STOP
    Stop all Internet services.

/REBOOT
    Reboot the computer.

/REBOOTONERROR
    Reboot the computer if an error occurs when starting,
    stopping, or restarting Internet services.

/NOFORCE
    Do not forcefully terminate Internet services
    if attempting to stop them gracefully fails.

/TIMEOUT:val
    Specify the timeout value ( in seconds ) to wait
    for a successful stop of Internet services.
    On expiration of this timeout the computer can be rebooted
    if the /REBOOTONERROR parameter is specified.
    The default value is 20s for restart, 60s for stop,
    and 0s for reboot.

/STATUS
    Display the status of all Internet services.

/ENABLE
    Enable restarting of Internet Services on the local system.

/DISABLE
    Disable restarting of Internet Services on the local system.

For more information, see: “Restarting IIS (IIS 6.0)” here:

http://www.microsoft.com/technet/prodtechnol/
    WindowsServer2003/Library/IIS/
        003ed2fe-6339-4919-b577-6aa965994a9b.mspx?mfr=true