Physical move, new IP space. Replacing Exchange certificate?

We will be moving physical locations in a few months, and I'm trying to get all my ducks in a row.  I am running a single Exchange 2010 server, and since we will have a new ISP with new public IP addresses, I'm assuming I will have to revoke the current exchange certificate (Comodo SSL) and purchase a new one with the new public IP address, is that correct?  Any tricks or things to look out for, or is at easy as re-submitting the certificate request with the new IP address of our mail server instead of the old one?  Thanks in advance.
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teomcamConnect With a Mentor Commented:
If your domain name  ( still the same you don't need to revoke existing one. If you are going to change your domain name for mail then you need to change it.
tenoverAuthor Commented:
Not changing any domain names, but the Exchange certification lists the public IP address, so I do need to modify that with a new certificate, right?
You will not need because the ip address that you have included in the list just an alternative. If someone type into their browser https://yourIP/owa, then they will get certificate error but who uses that way anyway! Since you already included  in the list that will handle the ssl. When it expire you can also included the new public ip but you really don't need to.
tenoverAuthor Commented:
Gotcha.  Thanks.
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