The syntax for the use of the IPCONGIG program in Windows 2000 is:

ipconfig [/? | /all | /release [adapter] | /renew [adapter] | /flushdns | /registerdns | /displaydns]

where:

/?             Displays help.

/all           Displays the full configuration information.

/release       Releases the IP address for the specified adapter.

/renew         Renews the IP address for the specified adapter.

/flushdns      Purges the DNS resolver cache.

/registerdns   Refreshes all DHCP leases and re-register DNS names.

/displaydns    Displays the contents of the DNS resolver cache.