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Site2Site VPN setup needed if already setup for another Subscription? RRS feed

  • Question

  • An enterprise has domain A(CompanyA) and Domain B(CompanyB-acquired) with two way trust. Now they have a Azure subscription for Company A being used for IaaS with S2S connectivity established.

    Now, If they want to have a separate account and subscriptions for Company B, do they need to setup S2S VPN again? or can used the one with Company A given their networks are talking to each other with some firewalls in between.

    If they need a S2S again, what are the pre-requisites including ports?

    If not then what firewall ports can be opened between networks to use the already setup S2S?

    Thanks,

    DJ

    Wednesday, April 20, 2016 6:58 PM