To Reset the DSRM Administrator Password

1. Click, Start, click Run, type ntdsutil, and then click OK.
2. At the Ntdsutil command prompt, type set dsrm
   password.
3. At the DSRM command prompt, type one of the following
   lines:
   
   • To reset the password on the server on which you are
     working, type reset password on server null. The null
     variable assumes that the DSRM password is being reset on the local computer.
     Type the new password when you are prompted. Note that no characters appear
     while you type the password.
     
     -or-
   • To reset the password for another server, type
     reset password on server
     servername, where
     servername is the DNS name for the server on which
     you are resetting the DSRM password. Type the new password when you are
     prompted. Note that no characters appear while you type the
     password.
4. At the DSRM command prompt, type q.
5. At the Ntdsutil command prompt, type q to exit.