Vista Administrator Access Howto:

Update: These instructions were written for one of the Beta or Release Candidate versions of Windows Vista, so they’ve changed a little bit since release to market. The updated instructions can be found here:

Windows Vista: Really Disable The UAC Nag, For Real.

Original Article:

[..] even if you are logged in as Administrator, you’re not getting Adminstrator rights. There’s a way to turn this feature off by the way:

• Run gpEdit.msc
  
• Go to: Computer Configuration | Windows Settings | Security Settings | Local Policies | Security Options
  
• User Account Control: Run all users including Administrators as standard users - Disable
  
• User Account Control: Behavior of the elevation prompt - No Prompt

[ Original Article Here ]