Edge Transpot Server in a DMZ

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This topic contains 2 replies, has 3 voices, and was last updated by Avatar shefi 2 years, 10 months ago.

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  • loureed4


    ​I have a Edge Transport Server in a DMZ, with a single network card.

    It is in between two firewalls.

    So, my question is whether in the external firewall (ISA) I should be pointing to the Edge Server or to the internal firewall when publishing OWA, ActiveSync, and Outlook Anywhere.

    ( The SAN Certificate (Autodiscover.domain.com, mail.domain.com) are already placed in both of the firewalls and in the Edge Server, along with the Certificate Root, because none of these three servers are domain-joined. )

    Should I create the OWA publishing rule in both firewalls?. I don’t find any articles out there with this scenario. There are many explaining how to do it with an Edge behind an ISA Server, but only one ISA Server.

    Thanks in advance.


    Edge transport is purely for SMTP email – does not affect the Client Access Role


    Oh! , Thank you so much Ossian. :)

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