I have my old SSL certificate for my Exchange 2003 front end server, set to:
I have set up, http://legacy.mypublic.com
to also point to my Exchange 2003 box.
Now, when I start having mail.mypublic.com point to my Exchange 2010 box, it needs to have a valid SSL cert.
My legacy.mypublic.com box also needs a valid SSL.
How do you make this work? Do I assign both servers to my old SSL cert, and get one more new SSL cert and also assign it to both servers? Is that even possible.
My question is very similar to this question, though I don't understand the answer fully: