Speed up Windows 7 logon with 30 seconds

Consider the following scenario:

• You have a computer that is running windows 7 or Windows Server 2008 R2.
• You set a solid color as the desktop background.
• The Desktop Window Manager Session Manager service is running.
• You log on to the computer locally.

In this scenario, the Welcome screen is displayed for 30 seconds during the logon process.

See details in this hotfix or just change the background to using a picture that can be a solid color.