Hi!
Will we use lot of the CAS server performance if all you aes clients are proxied from exchange 2010 instead of redirected?
Brian

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You can know more information about proxy and redirection from this document:
Understanding Proxying and Redirection

http://technet.microsoft.com/en-us/library/bb310763.aspx

Thanks,
EvanEvan Liu
TechNet Community Support

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