Expired Exchange Certificate

My certificate for the Exchange 2013 server expired today.  What is the quickest solution to get the connectivity back to the Outlook clients?  How do I go about renewing the existing cert?
NytroZAsked:
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Leroy LuffHead of IT & DIgitalCommented:
You need to create a new certificate request and submit it to your CA. Your CA will then send you a valid certificate.

https://technet.microsoft.com/en-us/library/bb125165(v=exchg.150).aspx
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Will SzymkowskiSenior Solution ArchitectCommented:
You need to generate a new CSR from IIS on one of the CAS servers. From there you need to make sure that you renew your UCC cert with the following DNS names...
autodiscover.domain.com
mail.domain.com

- import the cert into the CAS server where you generated the CSR
- make sure that when you import the crt file that you make the private key exportable
- open EMS
- Type Get-ExchangeCertificate | fl
- You will see the new certificate list
- Type Enable-Exchange Certificate -Thumbprint xxxxxxxxxxxxxxxxxxx -services "pop,imap,smtp,iis"

Export the certificate and import it on to any other CAS servers that you have in your environment. Perform the same steps above for Enable-ExchangeCertificate.

Will.
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NytroZAuthor Commented:
Is it not possible to get it renewed from GoDaddy and keep the same cert?
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Leroy LuffHead of IT & DIgitalCommented:
You need to create a new cert request on exchange server.

You can then use that request on GoDaddy for a new cert - only way.
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NytroZAuthor Commented:
I receive the following error when I try to set the services for eth cert.

5-1-2015-4-32-36-PM.png
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