For security reasons, our servers generally rename the administrator, which can, to some extent, escape the hacker's violent dismantling. At least the username is enough to keep him guessing for a long time.
To rename the default administrator account, as long as this is done:
Click "Start → run"
In the Run dialog box that pops up, enter "Gpedit.msc" to open the Group Policy Editor
Expand Windows settings → security settings → Local policies → security options, and then pull the bottom right list box down to the bottom and double click Rename System administrator account to rename it.
This method can be used to resolve some cases in the win 2003 Computer Management can not change the user name, in this way can be forced to change!
100% Test Pass
some friends want to change the password of the administrator can refer to the following method:
About WINDOWS2003 System modification password is divided into 6 steps after:
First step: Enter IP address, point connection
Step Two: Enter the default username password and click OK
Step three: On the desktop, right button "My Computer"-Manage
Fourth step: Click on the left list of the users, on the right side of the list of the adminstrator right click, select the Set password
Fifth step: Select the "Continue" button on the pop-up prompt box
Sixth step: Set the new user password, press OK, this system password has been modified.