SSL Renewal

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28 Dec 2009
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london
Just looking for some advice on SSL renewal. We currently have three separate certificates, citrix.domain.com, mail.domain.com and dcserver.internaldc.domain.com. This is with thawte and to renew all certs with as individual certs it will cost £600+ for 2 years.

I have been looking in to it and with globalsign and an organizational certificate you can get SAN names for free, like owa. mail. autodiscover. and for additional SAN names it costs relatively cheap price £130 for 2 years. That cert with a reseller i can get for £267 for 3 years.

All sounds good but when it comes to creating the certs and making sure they all work right using this method is where i am bit unsure.

With cag 4.6 it is recommended to use a pem cert and rename it to a .crt as per instructions. http://www.digicert.com/ssl-certificate-installation-citrix-access-gateway.htm

It is also recommended to have the citrix domain as the principal name on the certificate.

The question is with mail. and the internal domain will i run in to problems?

I was thinking of using the IIS certificate request via exchange 2003 and set the citrix domain as the common name on the cert and then send that over to the reseller. They said that they can send me a pem but will i haev to asked for a csr and a pem, use the csr to complete the request on the exchange server for owa and use the pem for citrix. but what about the internal domain certificate. Apparently the internal domain certificate will cost an additional £130 because it is a fqdn but could i use a san for that cert or would i need a separate one?

I am thinking it may just be easier to do an expensive renewal via the thawte.
 
Have you considered a godaddy SSL?

We purchased a Multiple Domains UCC cert from them recently for use on our domino infrastructure and have been able to setup

webmail.domain.com
traveler.domain.com

It was cheap in comparison to other providers and has been working perfectly. Nice and easy to use since its just one cert with multiple SAN's associated with it.
 
OK I have renewed the mail and citrix certs but I am bit unsure about the domain cert.

What is the recommended method for updating the domain cert?

I went in to the cert store on the dc and right clicked what i think is the the existing cert and went to renew with same key and it came up with an error "the certifcate cannot be renewed because it does not contain enough information to generate a renewal request...."

If internal certs are no longer going to be issued by providers from 2014. Do you have any instructions on using self signed. I do see what looks like a custom root CA inside in the root certs folders. But I just need to see how i can generate a cert from that CA and then install it in to the DC's. Will i need to manually install it on to each DC or will it replicate like magic?
 
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