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Can one domain have two SSL certs from different providers as part of a migration?

Posted on 2010-09-20
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Last Modified: 2012-05-10
We purchased an SSL certificate for a domain.   Since then we changed who we buy SSL certificates from.  We want to stop using the original SSL cert and issue a new one from our new provider.  

Will there be a problem since two SSL certificates exists for the same domain but are issued by different providers?  
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Question by:SteveMBO
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HonorGod earned 125 total points
ID: 33724912
When you purchased certificate #1 for domain #1, it was created specifically for that domain, with an expiration date.

When you purchased certificate #2 was it for the same domain name (e.g., "mydomain.com"), or a new domain (e.g., "myNewDomain.com")?

It it was for the same domain, then the "potential" problem that exists is that users connecting to your server using SSL will react in some way:

- They may be prompted because of the presence of the new certificate
- The connection may not be allowed by their application because of the certificate mismatch
- The connection may be allowed, and logged

All of these reactions depend upon the client being used, and how that client is programmed, and configured to react.

Does this help?
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Author Comment

by:SteveMBO
ID: 33727795
Certificate #2 would be for the same domain.

I think you answered my question.
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LVL 41

Expert Comment

by:HonorGod
ID: 33728728
Thank you for the grade & points.

Good luck & have a great day.
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