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someITGuy

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Replacing a self-signed certificate

I get this message when I run Exchange 2007 SP3 BPA:

The SSL certificate for 'https://xxxxx.xxxx.xxx/EWS/Exchange.asmx' is self-signed. It does not provide any of the security guarantees provided by authority-signed or trusted certificates. It is strongly recommended that you install an authority-signed or trusted certificate.

I get the same error for the Autodiscover, Microsoft-Server-ActiveSync & Service certificates.

I do have a certificate from Verisign for OWA only, do I need I need a certificate for each of these 4 other self-signed certificates or can I use one certificate for all of them?

What is the proceedure for moving from a self-signed to a commercial certificate?

TIA
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Jei-Kanchanawong
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What server are you running? You can change the server certificate in IIS under the default website, then exchange.

How many users are using the services externally?(Activesync, HTTP over RPC, etc.) They'll reconnect to get the new certificate.
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someITGuy

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I am on Exchange 2007, about to migrate users from a Exchange 2003 environment. I have a fair amount of OWA users, the other services are lightly used at this point.

So do I need to get a cert for each of these 4 services or will one cert handle them all without certificate errors?
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endital1097
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Actually my OWA cert says owa.mydomain.com

Do I need a cert with the actual server name or will smtp.mydomain.com or mail.mydomain.com suffice since both will point to the frontend server (via a reverse proxy)?
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How about if I have 2 CAS servers, each one needs a unique certificate to handle SSL, correct?
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