Exchange 2010 Certificates

Hi we currently have a Wildcard certificate.
We are going through a company merger, and have been requested to get a certificate which supports two levels of subdomain.  Ie.
our currently wildcard certificate covers *
we are requested to get a SAN cert which will cover:
our cert vendor is Thwate.
Question is, once we get this cert - what will we have to do so all of our Outlook Clients (2010/2013) will connect using the new cert and not get prompted with any security dialog box warnings?

Hope that makes sense

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Will SzymkowskiSenior Solution ArchitectCommented:
You will need to configure your virtual directories with the new name. Also for simplicity you will also want to configure your Internal and External virtual directories the same. This requires Split DNS to be configured.

I have created HowTo's for all of these steps required.

Configure Split DNS and virtual directories (this is specifically for Exchange 2013 but all of the same steps apply for Exchange 2010)

Enable Exchange Certificates (this also is specifically for Ex2013 however go down to Enable Exchange Certificate in Exchagne Management Shell)


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Manikandan NarayanswamySecurity Specialist & IBM Security GuardiumCommented:

As mentioned you're using a SAN certificate you need to set the pointing to this certificate. Along with that you have to assign the services to the new certificate. Refer the below link. You may need to add the fqdn of autodiscover, pop, IMAP, active-sync & web services in SAN certificate

Prabhat KumarCommented:

You need to be very careful before generating certificate request. Please go through below URL, explaining all the required details.
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