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How to create a (self) SAN certificate for multiple domains?

Posted on 2008-06-23
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Last Modified: 2013-12-05
Hi

is it possible to create a SAN certificate for exchange 2007, for 2 domains? instead of purchsing a certificate. I would like to know how, and put this certificate into IIS for users to authenticate to for OWA and active sync....

i need a SAN certificate because i have an internal and external URL for OWA access, one ends in romgroup.com and the other romgroup.co.uk
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Question by:Mandev23
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HeinoSkov earned 500 total points
ID: 21849413
Certificate Use in Exchange Server 2007
http://technet.microsoft.com/en-us/library/bb851505(EXCHG.80).aspx#CreatingImportingandEnablingCertificates

How to Configure SSL Certificates to Use Multiple Client Access Server Host Names
http://technet.microsoft.com/en-us/library/aa995942.aspx


If you also want to use the autodiscover service - this whitepaper is pretty interesting.
White Paper: Exchange 2007 Autodiscover Service
http://technet.microsoft.com/en-us/library/bb332063.aspx#Scenario4HowTo
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by:Mandev23
ID: 21849952
Hi the second website seems interesting. What command would i use if i wanted a SAN certificate for the following domains:

apple.romgroup.com (server name)
apple.romgroup.co.uk
autodiscover.rom.co.uk
autodiscover.rom-tech.co.uk
autodiscover.rfa-tech.co.uk
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Assisted Solution

by:HeinoSkov
HeinoSkov earned 500 total points
ID: 21852739
Like this:

You should replace values in -FriendlyName, -subjectName to reflect your company info.

New-ExchangeCertificate -DomainName apple.romgroup.co.uk, apple.romgroup.com , autodiscover.rom.co.uk autodiscover.rom-tech.co.uk autodiscover.rfa-tech.co.uk -FriendlyName RomGroup -GenerateRequest:$True -Keysize 1024 -path c:\romgroup.req -privatekeyExportable:$true -subjectName "c=us, o=RomGroup, CN=apple.romgroup.co.uk"

Otherwise take a look at this article:
http://msexchangeteam.com/archive/2007/02/19/435472.aspx
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Author Comment

by:Mandev23
ID: 21853068
Hi heinoskov

And will this certificate be ok to sync with Exchange - via windows mobile 5/6?

https://apple,riomgroup.co.uk/owa is the external OWA address
https://apple.romgroup.com/owa is the internal address

the company is ROM
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Author Comment

by:Mandev23
ID: 21853109
heinoskov

i ran the above command, changed CN=apple.romgroup.com which is the server name, but it cannot find parameter for o=rom ....?below is the syntax from the command shell...

[PS] C:\Documents and Settings\bossman\Desktop>New-ExchangeCertificate -DomainName apple.romgroup.com, apple.r
omgroup.co.uk, autodiscover.rom.co.uk, autodiscover.rom-tech.co.uk, autodiscover.rfa-tech.co.uk, -FriendlyName
 RomGroup -GenerateRequest:$True -Keysize 1024 -path c:\romgroup.req -privatekeyExportable:$true -subjectName
"c=uk, o=Rom, CN=apple.romgroup.com"

New-ExchangeCertificate : A parameter cannot be found that matches parameter name 'RomGroup'.
At line:1 char:24
+ New-ExchangeCertificate  <<<< -DomainName apple.romgroup.com, apple.romgroup.co.uk, autodiscover.rom.co.uk,
 autodiscover.rom-tech.co.uk, autodiscover.rfa-tech.co.uk, -FriendlyName RomGroup -GenerateRequest:$True -Key
size 1024 -path c:\romgroup.req -privatekeyExportable:$true -subjectName "c=uk, o=Rom, CN=apple.romgroup.com"
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Author Comment

by:Mandev23
ID: 21853115
i've also tried o=romgroup ...? but still get the parameter error
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Author Comment

by:Mandev23
ID: 21894130
Hi, is there any resolution on the last two posts? it doesnt like the parameter 'romgroup' ...?

romgroup is the name of our domain
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Author Comment

by:Mandev23
ID: 21906967
Hi, any response on this? - i keep getting a parameter error for the company name... where does it pick up this information? maybe it is referring to something?
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Author Comment

by:Mandev23
ID: 21916312
i have managed to create the cert using the above syntax (see attached), but it did not create a file in the C: drive ..? is this normal? - if so how do i import this cert and test it so it authenticates to romgroup.com and romgroup.co.uk..??

thanks
Doc1.doc
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Author Comment

by:Mandev23
ID: 21934472
hi

i used the below syntax to create a SAN cert with multiple names, the output being c:\romgroup.req which i believe is not a viewable file, what is the next step in using this cert?

i'm hoping to use it so OWA users both internally/externally can authenticate to the FQDN of the server; apple.romgroup.com and the external address of apple.romgroup.co.uk

New-ExchangeCertificate -DomainName apple.romgroup.com, apple.romgroup.co.uk, autodiscover.rom.co.uk, autodiscover.rom-tech.co.uk, autodiscover.rfa-tech.co.uk, -FriendlyName
 RomGroup -GenerateRequest:$True -Keysize 1024 -path c:\romgroup.req -privatekeyExportable:$true -subjectName "c=uk, o=Rom, CN=apple.romgroup.com"

or if someone can show me how to setup exchange 2007 to use one URL for OWA which is the server name; for both internal and external access, please? -  this would be better...
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