I just launched my test site on Windows Azure this weekend with a single web role. I did not see any options to indicate which OS to use. It currently uses Server 2008 (IIS 7). According to this article , although Server 2008 R2 Web Roles (IIS 7.5) are available. I want to use some specific features of IIS 7.5 - how can I upgrade my web role to use Server 2008 R2?
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