Exchange 2003 ActiveSync - can I temporarily enable both SSL and non-SSL access during migration process to Exchange 2010

I am in the process of migrating and Exchange 2003 Server to Exchange 2010.

Phones and tablets currently access the their email via activesync port 80 without SSL.

As a first step in the migration process, I would like to change the phones and tablets to access the current Exchange Server using a certificate with SSL.  If I could configure the Exchange 2003 Server to accept both port 80 non-SSL requests AND port 443 SSL requests, this would allow me to change individual tablets one by one over a period of a week without interruption of service.

Is it possible to install my multi--subject GoDaddy certificate I installed on my new Exchange 2010 on the Exchange 2003 and also configure the Exchange 2003 to accept both port 80 non-SSL requests AND port 443 SSL requests?
humphrey06Asked:
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Alan HardistyCo-OwnerCommented:
No - it's either or!

If you enable SSL, that means SSL is forced, so you can't have Non-SSL.

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humphrey06Author Commented:
That's what I thought.  Thanks!
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