If you have your own administrator account, you may want to disable the built-in Administrator account. Doing so prevents anyone from logging on with the built-in account. In order to log on as an administrator, a user would require access to your administrator account. Therefore, as you can likely see, disabling the built-in account is a good security practice.

Note: The built-in Administrator account in disabled by default in Windows 7. To disable the Administrator account in Windows 7:

  1. Open Local Users and Groups.
  2. Select the Users folder.
  3. Right click the Administrator account and click Properties.
  4. From the General tab, click the Account is disabled option.
  5. Click OK.

You can re-enable the Administrator account by repeating the steps described above.