Try putting in a USB key a text file named satask.txt with these command in it (one at a time) :
satask chenclosurevpd -resetclusterid
satask resetpassword
fi you need to reset the ip :
satask chserviceip -serviceip ipv4 [ -gw ipv4 ] [ -mask ipv4 ] [ -resetpassword ]
The put the key into a usb port on the V3700