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Certificate for SMTP

Posted on 2009-07-14
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Last Modified: 2013-11-30
Can I use my current SAN certificate for SMTP?
I currently have a SAN certificate in place for Exchange and it works for POP3 and OWA, though when setting up POP3 accounts in outlook I receive the certificate warning message..alot. When I run the "get-exchangecertificate" cmdlet the services currently on my thumbprint for my certificate are "I, P, W" and "I, S" on the default exchange certificate. How can I get the S onto my created certificate and will this allow outlook to stop warning me?
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Question by:GMSMRM
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Expert Comment

by:Npatang
ID: 24850660
check the below mentione link it should not create any issues with outlook
http://technet.microsoft.com/en-us/library/aa997231.aspx

Also for your popr users getting cert erros make sure that the send connector and recieve connector have the same FQDN mentioned which the CERT is issued to
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Author Comment

by:GMSMRM
ID: 24850754
I tried running the same command earlier and after I enter the command the ">>" appears and nothing happens.
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Author Comment

by:GMSMRM
ID: 24850893
I looked on the Edge Transport server and there are 4 tumbprints of just "S" services. Probably from all the times a had re keyed the certificate. None of the thumbprints match the ones on the Exchange server.

But this shouldn't matter for client access right?
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by:Npatang
ID: 24850931
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by:GMSMRM
ID: 24851071
That didn't help at all.
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Expert Comment

by:Npatang
ID: 24851103
So when you run the command

Enable-Exchangecertificate -thumbprint  (yours certificate thumb print) -services "smtp"

Does it throw any errors ?
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Author Comment

by:GMSMRM
ID: 24851265
I finally got it to work. I was trying to just enable the SMTP by running the command you gave. Nothing happened. What I did do that worked was using your command but including the other services ("POP, IMAP, IIS") with the command and is asked me if I wanted to overwrite the default SMTP Exchange certificate.

Enable-Exchangecertificate -thumbprint  (yours certificate thumb print) -services "POP,IMAP,IIS,SMTP"

Here is the screenshot of the process.

Thanks.
exchange-cmd.bmp
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Accepted Solution

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Npatang earned 2000 total points
ID: 24851301
The same information was mentioned in the technet article I gace you before
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Author Closing Comment

by:GMSMRM
ID: 31603311
Fair enough.
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