Login failed when installing service application

Hi
For the preparation on SQLBits 9 conference, I have passed a number of times on making virtual environments to manifest Microsoft business intelligence goods. While I want to form a service application and alternative for Power Pivot I am facing a problem continuously according with the text “Error. Login failed for user ‘NT AUTHORITYANONYMOUS LOGON’.”
Give me a solution please. Thanks a lot.

Error
Error
Login failed for user 'NT AUTHORITYANONYMOUS LOGON.'
Troubleshoot issues with Microsoft SharePoint Foundation.
Correlation ID: e2cd5977-bcdd-4d23-8707-fc0eb0806faB
Date and Time: 10/3/2011 2:14:34 PM
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