I tested the application hosted on Windows 2008 STD with IIS 7 but was not able to reproduce the issue. In fact our demos are also hosted on Windows Server 2008 R2 but with IIS 7.5. Do you have something specific in your application, some kind of styles or else. Have you tried if the same behavior occurs if you host a plain simple RadscheduleView.
the Telerik team
Registration for Q1 2011 What’s New Webinar Week is now open. Mark your calendar for the week starting March 21st and book your seat
for a walk through all the exciting stuff we ship with the new release!