The built-in Administrator account is an account that has full access and permission on the computer. This will show you how to enable or disable the built-in Administrator account in Windows 7. By default, the built-in administrator account is named Administrator, and is disabled. If you enable the built-in Administrator account, it is recommended to create a strong password for it to help keep it secured. The commands to enable and disable the real administrator are given as under;
1. Open a command prompt
2. To enable the Hidden Built-in Administrator
net user administrator /active:yes
3. To disable the Hidden Built-in Administrator
net user administrator /active:no
4. Close the command prompt
Logoff and you will see the built-in administrator account logon icon added (enabled) or removed (disabled). Click on the Administrator icon to log on to the built-in Administrator account.