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Install a new ssl certificate exchange 2007

Posted on 2008-10-29
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Last Modified: 2012-05-05
I resently change the email domain name of my exchange 2007 server from paper.com to papercorp.com

I have a papercorp.com certificate from a while back through digicert so I am trying to get rid of the certificate for paper.com and reinsert the one for papercorp.com.

Tried the install-exchangeCertificate and enable-ExchangeCertificate in shell, but i still get a certificate domain mismatch in IE when trying to access OWA and also on my client for autodiscovery

How can I get rid of the certificate for paper.com and replace it with the certificate for papercorp.com
Do i have to install the certificate on my ISA2006 Server and my edge transport server also?

Or......do i have to request a new certificate and have digicert re-issue another cert?

also the extention of my digicert certificate is .p7b instead of cer. Is this a problem, cause that is what they gave me?
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Question by:junglecom
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tenaj-207 earned 500 total points
ID: 22838095
Are you running server 2003 or 2008?

Either way this is how you can change your certificate.

IIS6
1) open IIS
2) Right click on the Default Web Site
3) Click on the Directory Security Tab
3) Click on the Server Certificate button
4) Clck Next then choose "Replace the current certificate" and hit Next
5) Coose the appropriate certificate from the list and finish the wizard

IIS 7
1) Open IIS
2) Right click on default website
3) Edit Bindings
4) Click on https then click on the Edit button
5) Pick the appropriate SSL cert from the SSL Certificate drop down list.

If all that is correct then you will need to reinstall the certificate.

I buy my certs from Godaddy (I think their cheapest) and I follow this walkthrough, it should work for any Digicert as well;
http://help.godaddy.com/article/4801

Per your remark about the p7b vs cer; in step 10 you have to change the file extension type to make the p7b certificate show up.

-tenaj
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by:HayesJupe
ID: 22838303
Although it sometimes works, its actually not recommended to use IIS for changing certs for use in exchange, and additionally you cant assign assign the certs to a role via IIS.

Import the new cert into the computer store via the MMC Cert snap-in
Delete the old cert that you no longer want
Use the enable-ExchangeCertificate command in PS to assign the cert to one of the 5 appropriate roles

The reason i delete the old cert is because exc2k7 sometimes seems to want to hold onto the old one and ignore the one you assign to it via PS.

once this done, i like to restart the services and have a look in the app event log to see if the certs assigned themselves correctly (or can do it via PS)
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by:junglecom
ID: 22838764
I noticed in my ISA2006 server that there are a few pointers to the paper.com cert in the OWA rules.How do i go about changing that once I get the cert in place on the exchange server?
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by:tenaj-207
ID: 22843843
I think you can change the certificate under the Listener tab.

See this site for a great walk through.
http://www.isaserver.org/tutorials/New-ISA-Firewall-2006-Service-Pack1-Part1.html

If all else fails then delete the rule and readd it with the new certificate.
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