Password Cracking

I am using windows 2000 server. I have change my child domain password has been changed autometically,My administrator is unable to resetted the p/w?

I am using windows2000 server with DNS,DHCP. I have child domain password. on 13th of August I have changed my child domain password.But nextday I asked my administrator " We are not getting child domain password, but din't changed password or he is unable to resetted password remotly.please...

How to remove the password off a computer

How do you remove the password prompt off a computer if I don't know the password? Is there any way to resolve this?