Your user name must match the user name of the user whose password is being changed.
Make sure that the NIS or NIS+ name service is enabled:
Press Ctrl+Alt+Delete and then click Change Password.
In the Change Password dialog box, type your UNIX user name in the User Name box.
In the Domain box, click the arrow to show available domains.
Select Solstice_NFS_Client.
Type your old UNIX password.
Type your new UNIX password, and then type it again in the Confirm New Password box.
Your UNIX password is updated in the NIS or NIS+ database.