Installed certificate now Exchange 2013 is unavailable!?

Just configured my Exchange server an started connecting clients

when Outlook was opening on the clients, a security dialoge was opening about Certificate giving me an option of installing said certificate.

once the certificate was installed, the dialogue disappeared an i was able to carry on.

However, since then i have been unable to connect to the Exchange from that server.

I can access Exchange from all the other machines in the domain.

is it just a case of uninstalling that certificate?


(really confused)
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Leroy LuffHead of IT & DIgitalCommented:
What is your certificate common names?

I think this is more a question if your Outlook anywhere is configured properly.

Do you have internal DNS records pointing mail.domain,com and to your exchange CAS server or loadbalancer.

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mudcow007Author Commented:
Hi i think your are correct (about the issue being the certificate)

im getting other issues now - i deleted the certificate in question on the effected server, an im now able to access Exchange

certificate is for but the message that comes up with Outlook etc is the fqdn of the server!?
Leroy LuffHead of IT & DIgitalCommented:
Please can you post all common names of the certificate.

Also post your Outlook Anywhere configuration. Remember exchange 2013 uses Outlook anywhere even to connect internally on your network so your cert names has to correspond to Outlook anywhere configs and DNS entries.
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mudcow007Author Commented:
Hi common name is

From Servers > virtual directories > OWA
internal URL -
External URL -

im confused :(
mudcow007Author Commented:
This might be something...or nothing?

autodiscovery configs....

our internal domain is HFT.ds

our web domain name is

it seems exchange is trying to use our internal domain instead of our web domain - if that makes sense?
Leroy LuffHead of IT & DIgitalCommented:
It makes sense hence you need to look at DNS records.

You should have external dns records on your local dns records pointing mail and autodiscover records to your CAS server on
mudcow007Author Commented:
ok, i may have made things worse...

following this

i changed our autodiscovery to try an match our domain using

Set-ClientAccessServer -Identity MAILSERVER -AutoDiscoverServiceInternalUri

Open in new window

now my outlook profile can not connect
Leroy LuffHead of IT & DIgitalCommented:
No that is correct.

Like i said go to your internal DNS server. Do you have a zone for your external domain?
mudcow007Author Commented:
It was the certificate!!

renewed the certificate with another supplier an now we are back in business

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