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outlook issue with clients in exchange 2013

Hi experts

I installed a new domain (server 2012) and new exchanger server 2013 in another machine with os 2012. I am able to create users, owa working fine, able to send and receive mails from owa. But when ever I configure the same user in outlook (locally) i am getting error saving that ms exchange is offline or could not connect to the server.

dns is working fine i am able to resolve name to ip, ip to name etc.

waiting for your valuable advice.
1 Solution
Carol ChisholmCommented:
Have you got the DNS entries for autodiscover set up?
Have you done the certificates - Outlook won't work with the default self-signed certificate.
emtechadminAuthor Commented:
I am using a self signed certificate
external url : mycompany.dyndns.org
internal url: servername.domain.local

to isolate the issue what i did was i added a the following enteries to the host file of the client machine

mycompany.dyndns.org    ip

then the outlook connected to the exchange server. once if i change the host entry with my internal url it never work

I havent configured autodiscover in the dns.
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Carol ChisholmCommented:
You will need to add an autodiscover record in your DNS.
You can use Ctrl-Right click on the Outlook icon in the system try to see how you are getting on.
emtechadminAuthor Commented:
I configured autodiscover


as per the above link

but the issue is still the same..outlook clients do not connect with internal url.
Carol ChisholmCommented:
Does your certificate contain the internal URL as a SAN?
Simon Butler (Sembee)ConsultantCommented:
I would setup your domain so that the external URL resolves both internally and externally. Use a split DNS for that. It will have to be a single name split DNS. http://semb.ee/splitdns

Something I dont see here

What version of Office and or Outlook is being used here?
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