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Replace existing Exchange certificate

Posted on 2010-09-15
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Last Modified: 2012-05-10
I need to replace an existing SSL certifiacte to resolve certificate errors. It has the same name as the existing enabled certificate. When I run the Import-ExchangeCertificate cmd, I get an error Cannot import as there already is a certificate wi
th a thumbprint of 1CCD77D28F9664E6AC6A0E72B866C064D8D774D
When I try to remove the existing certificate, get this error
Remove-ExchangeCertificate : The internal transport certificate cannot be remov
ed because that would cause the Microsoft Exchange Transport service to stop

What would be the proper cmd sequence to complete this task?
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Question by:cookd47
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6 Comments
 
LVL 74

Expert Comment

by:Glen Knight
ID: 33680867
I would recommend a handy free 3rd party utility I found that will manage SL certificates for you.

Check out my blog post here: http://demazter.wordpress.com/2010/06/15/exchange-2007-ssl-certificates/
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LVL 5

Expert Comment

by:smartsid
ID: 33680906
The certificate you are trying to remove is internal self-signed certificate which is required for transport service to run.

You can run new-exchangecertificate cmdlet to get a new self-signed certificate.

Moreover, what are the error messages related to certificate and is it impacting mail flow ?
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LVL 8

Expert Comment

by:Mkris9
ID: 33680916
cos having 2 certificates with with same name is fine. but with same thumbprint ? are you trying to import the same certificate again ?
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Accepted Solution

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cookd47 earned 0 total points
ID: 33710919
Dell Support worked with me to remove and setup the SSL certificate.
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