Renaming the Administrator user on a Windows machine offers a slightly higher lever of security. The Administrator user is the default user for all Windows Server operating systems and almost all brute-force password attacks will attempt to gain access as this user. While you may be able to set Account Lockout Policies for all other users, the Administrator user is exempt from these settings and can never be locked out. It is therefore suggested to rename the Administrator user.


Windows Server 2008


Step 1
You will first need to be logged in to the server through Remote Desktop as the Adminsitrator user. For more help, please reference How to connect to your windows VPS ?
 
Step 2
Once logged into the server, click the Start button, right-click My Computer and select Manage

 

 
Step 3
Select Configuration from the left-hand frame.
 
 
Step 4
Double-click Local Users and Groups.
 
Step 5
Double-click Users.
 
Step 6
Right-click the Administrator user and select Rename. Type the new name you wish to use for the Administrator user and press ENTER. Please take note of the new user name so that it is not forgotten!
 

Windows Server 2003
 


Step 1
You will first need to be logged in to the server through Remote Desktop as the Adminsitrator user. For more help, please reference How to connect to your windows VPS ?
 
Step 2
Once logged into the server, click the Start button, right-click My Computer and select Manage

 

 

Step 3
Select Local Users and Groups on the left-hand frame of the Computer Management window.
 
Step 4
Double-click Users on the right-hand side of the window.
 
 Step 5
Right-click the Administrator user and select Rename. Type the new name you wish to use for the Administrator user and press ENTER.

Please take note of the new user name so that it is not forgotten!
How To Change Windows Administrator User