Xbox Live Service Maintenance
On Monday,11/17/2008 from 2:00 AM PST for up to 45-minutes, Xbox Live will be offline for maintenance. As a result, Xbox LIVE and the ‘My Xbox section of Xbox.com will be unavailable, and the Xbox forums will be in read only mode (you wont be able to post.) The remainder of Xbox.com will be available with limited interruptions.
This service maintenance is in preparation for the new Xbox experience which will be available this Wednesday.