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I have a Exchange 2010 with all roles apart from the Edge role. &nbsp; I am in the process of installing a an edge role server, in testing I could not connect to the LDAP services. &nbsp;I understood all ports were opened, but in the production environment were I ran the test I am now told that 50636 would be blocked by the cisco router. &nbsp;<br />
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&nbsp;This has put some doubt in my mind and noticed that the only that the only roles installed on the current Exchange server are file server and IIS. &nbsp;My question is do I need any additional roles\features installing or is it purely down to the blocked port
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I have a Exchange 2010 with all roles apart from the Edge role.   I am in the process of installing a an edge role server, in testing I could not connect to the LDAP services.  I understood all ports were opened, but in the production environment were I ran the test I am now told that 50636 would be blocked by the cisco router.  

 This has put some doubt in my mind and noticed that the only that the only roles installed on the current Exchange server are file server and IIS.  My question is do I need any additional roles\features installing or is it purely down to the blocked port

Exchange Edge server

Windows Server 2008 and Windows Server 2008 R2, based on the Microsoft Vista codebase, is the last 32-bit server operating system released by Microsoft. It has a number of versions, including including Foundation, Standard, Enterprise, Datacenter, Web, HPC Server, Itanium and Storage; new features included server core installation and Hyper-V.