To change the password for the root administrator, do the following:
Expand the Administrators folder and then right-click the root administrator.
Select Change Password and specify details on the Change Password for Administrator dialog and then select OK.
Specify details on the Change Password for Administrator dialog and then select OK.
A confirmation dialog indicates the password is changed successfully.
Select OK to close the dialog.
The password change takes effect immediately but does not require you to log out of App Net Manager.