How to customize default user profiles in Windows 7

Cannot copy and paste the default profile like you use to in Windows XP?

Microsoft_Windows

To customize a default user profile or a mandatory user profile, you must first customize the default user profile. Then, the default user profile can be copied to the appropriate shared folder to make that user profile either the default user profile or a mandatory user profile.

When the default user profile is customized in the manner that is described in this article, it reconstructs the source profile in a format that is appropriate for use by multiple users. This is the only supported method of customizing the default user profile for the Windows operating system.

Check out Microsoft Knowledgebase Article 973289 for more detailed information about the new process.