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Certificate problem

Posted on 2013-05-22
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Last Modified: 2013-05-28
SBS 2008 + Exchange Server 2007

Our self signed certificate expired a few weeks ago. I used the wizard in the SBS console to replace it. I noticed today that event 12016 is now being logged quite frequently. This says 'There is no valid SMTP TLs certificate for the FQDN of ouremaildomain.co.uk.

I am not aware that I ever created a certificate for that email domain. When I set up the server, I used a completely different domain ourofficedomain.co.uk because our primary domain is hosted elsewhere for our ecommerce store. I set up an mx record to point mail.ouremaildomain.co.uk to our sbsserver.

I think I need to do some housekeeping. I can see that there are 9 expired certificates. With these names "Sites", "remote.ourserverdomain.com" and "Server.ourdomain.local" Is it definitely ok to delete all expired certificates?

Do I need to create a new certificate for our email domain? or do I just need to make exchange aware of the one i created a few weeks ago? Funny... in the list of certicates, I  can't see any certificate that was created recently
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Question by:TownTalk
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Accepted Solution

by:
Skyler Kincaid earned 2000 total points
ID: 39187643
You can delete the old certs and that won't causes any problems. When you were going through the Wizard you may not have thought to assign a cert to the SMTP service. Do you use that server as a SMTP server?

If you don't then it is nothing to worry about, if you do, you just need to make a new cert and assign it to that service to clear the event.
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Author Comment

by:TownTalk
ID: 39187978
Yes I have an smtp server configured. I hadn't realised the event message was referring to that. Our production system uses it to send emails to internal users. I set this up some time after the server installation. So maybe it inherited the previous certificate.

If I re-run the wizard, is there something in there to assign the certificate to the smtp server?
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Author Comment

by:TownTalk
ID: 39201507
When I ran the wizard to create a new certificate, it only allows one domain to be specified. So I specified the domain referred to by our internal smtp server. But it then configured RWW etc to correspond to that domain. We didn't want this. So I ran the wizard again with the original domain specified and all is well now. Thanks for your help.
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