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My exchange transport role is behind an internet provider ip and my edge role is in a data center.

I was wondering, in case my internet provider is down I can switch to another internet provider I have but my IP will change.

So my question is, what do I have to do to let edge and transport role communicate with each other through this new IP?

Do I have to re-register edge in transport role with a subscribtion process ?

Thanks in advance for your help,

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I believe the only changes that you will need to make are in DNS to update your public facing IP, nothing else should change. –  jmreicha Aug 10 '12 at 19:41
Yes it's a good idea. But in case it's an IP address which is use ? Where I have to change it in exchange ? –  Dragouf Aug 13 '12 at 9:39
Nothing on the Exchange side of things should need to change. I'm not sure what you mean by your first question? –  jmreicha Aug 13 '12 at 15:57

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