OWA and Exchange 2007

Franck V · Joined: 05 Aug 2007 Posts: 11

We just deployed Exchange 2007. Every thing is right except for OWA.

When some one uses OWA to access his mailbox from INTERNET, it's OK.

When some one uses OWA to access his mailbox from INTRANET an error about
certificate appears.

From INTERNET or INTRANET the name the OWA Server is not the same. In the
certificate the name refer to the public name of that OWA Server.

I don't know how to change IIS (v6) parameters to use 2 certificates: the
first for INTERNET and the second for INTRANET

Regards

Franck V.

Archived from group: microsoft>public>exchange>mobility

Mark Arnold [MVP] · Joined: 05 Aug 2007 Posts: 1126

On Thu, 11 Oct 2007 10:32:36 +0200, "Franck V"
wrote:

>We just deployed Exchange 2007. Every thing is right except for OWA.
>
>When some one uses OWA to access his mailbox from INTERNET, it's OK.
>
>When some one uses OWA to access his mailbox from INTRANET an error about
>certificate appears.
>
>From INTERNET or INTRANET the name the OWA Server is not the same. In the
>certificate the name refer to the public name of that OWA Server.
>
>I don't know how to change IIS (v6) parameters to use 2 certificates: the
>first for INTERNET and the second for INTRANET
>
>
>
>Regards
>
>Franck V.
>
You can't change IIS to use two certificates.
You either create another OWA for internal or you unify the names that
they address.
http://www.sembee.co.uk/archive/2007/01/21/34.aspx will tell you the
steps you need to do.

Thomas Dehn · Joined: 05 Aug 2007 Posts: 6

You may just use a certificate containing multiple names...

Search for "Subject Alternative Name Certificates"

Cheers, TOM

"Mark Arnold [MVP]" wrote in message @4ax.com...
> On Thu, 11 Oct 2007 10:32:36 +0200, "Franck V"
> wrote:
>
>>We just deployed Exchange 2007. Every thing is right except for OWA.
>>
>>When some one uses OWA to access his mailbox from INTERNET, it's OK.
>>
>>When some one uses OWA to access his mailbox from INTRANET an error about
>>certificate appears.
>>
>>From INTERNET or INTRANET the name the OWA Server is not the same. In the
>>certificate the name refer to the public name of that OWA Server.
>>
>>I don't know how to change IIS (v6) parameters to use 2 certificates: the
>>first for INTERNET and the second for INTRANET
>>
>>
>>
>>Regards
>>
>>Franck V.
>>
> You can't change IIS to use two certificates.
> You either create another OWA for internal or you unify the names that
> they address.
> http://www.sembee.co.uk/archive/2007/01/21/34.aspx will tell you the
> steps you need to do.

HH · Joined: 19 Oct 2007 Posts: 4

If you host your public DNS Zone internally on your DNS server then you
could also just add the hosts public DNS name with it's internal IP.

So if it's webmail.acme.com with 195.244.X.X publicly, in your DNS server
under the acme.com Zone add it with 192.168.X.X (or whatever private you
use)

"Thomas Dehn" wrote in message
news:%23q8lfZ%23DIHA.3980@TK2MSFTNGP03.phx.gbl...
> You may just use a certificate containing multiple names...
>
> Search for "Subject Alternative Name Certificates"
>
> Cheers, TOM
>
>
> "Mark Arnold [MVP]" wrote in message
> @4ax.com...
>> On Thu, 11 Oct 2007 10:32:36 +0200, "Franck V"
>> wrote:
>>
>>>We just deployed Exchange 2007. Every thing is right except for OWA.
>>>
>>>When some one uses OWA to access his mailbox from INTERNET, it's OK.
>>>
>>>When some one uses OWA to access his mailbox from INTRANET an error about
>>>certificate appears.
>>>
>>>From INTERNET or INTRANET the name the OWA Server is not the same. In the
>>>certificate the name refer to the public name of that OWA Server.
>>>
>>>I don't know how to change IIS (v6) parameters to use 2 certificates: the
>>>first for INTERNET and the second for INTRANET
>>>
>>>
>>>
>>>Regards
>>>
>>>Franck V.
>>>
>> You can't change IIS to use two certificates.
>> You either create another OWA for internal or you unify the names that
>> they address.
>> http://www.sembee.co.uk/archive/2007/01/21/34.aspx will tell you the
>> steps you need to do.
>
>

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