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Exchange 2007 HMC - RPC over HTTP

Last Modified: 2012-06-27

I am currently setting up a test HMC enviroment for a future deployment. The webmail works flawlessly and so does direct TCP/IP outlook connection, however my RPC over HTTP connection does not seem to work. When I try and force rpc over HTTP to work by blocking all ports but 80, 443 and 25 as shown here: http://www.petri.co.il/configure_outlook_2003_to_use_rpc_over_http.htm it fails. Out look anywhere IS enabled on the server. My first question is, where do I point the client, to the CAS server or the Mailbox server? I tried both, neither work. I do not see any errors in any servers event logs. When I run outlook.exe /rpcdiag it simply fails to connect. I am using an exchange 2007 client for testing. Any ideas would be greatly appreciated.  Also my test lab closely follows microsofts http://technet.microsoft.com/en-us/library/cc501367.aspx
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