microsoft dynamics crm client for outlook not connecting

i configure crm for internet access i has public ip but the problem that when configuring  outlook for  crm with its url as writting its  public ip following error appers there is problem communicating with crm server   the server
might  be unavailable
please guide me step by step for configuring outlook crm from internet and what are requirements like public domain record or what else  to be able to acheive my goal
Adel EdwardNETWORK ENGINEERAsked:
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Feridun KadirPrincipal ConsultantCommented:
For the CRM client for Outlook to work over the Internet you must configure an Internet Facing Deployment on the CRM server (see this article http://msdn.microsoft.com/en-us/library/hh699814.aspx)

Have you done this?
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Adel EdwardNETWORK ENGINEERAuthor Commented:
i already have crm with name srv-crm.domain.com maps to private address of crm in local dns of company
i can access it with http://srv-crm.domain.com:5555 from inside company  and outlook crm works from inside company.
from outside i write x.y.z.e:5555 (x.y.z.e: public ip in dmz) it can access through internet explorer
when we setup outllok client it asks for url we write (http://x.y.z.e:) this error appears
there is problem communicating with crm server   the servermight  be unavailable
we have domain with company name .com maps to our site
but we dont have record under domain maps to public ip of crm in dmz zone
we perform nat in dmz from private address to public address on asa firewall
so what we  need to configure oulook client from external (over internet) other than vpn
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Adel EdwardNETWORK ENGINEERAuthor Commented:
we dont have ifd ,
 can we apply it without ifd scenario and without vpn or what we need

your help is appreciated
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Feridun KadirPrincipal ConsultantCommented:
I think that CRM for Outlook won't connect to a CRM server over the Internet unless IFD is configured.

Of course, if you connect the client computer to the company network over a VPN then you can use the internal URL without IFD.

But without VPN I think IFD is required.
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Adel EdwardNETWORK ENGINEERAuthor Commented:
so if i want to deploy ifd as my company name  and i have domain with my company name.com mapped to our site
what will be organisation name
external dns record and external url for outlook crm client
please give me example in details
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Feridun KadirPrincipal ConsultantCommented:
The link that I referred to in my first response has high-level information information, the document at this link http://www.microsoft.com/en-us/download/details.aspx?id=41701 has more detailed steps.

If your CRM organisation is called Company and your domain is companyname.com then you will need an external DNS A record called company that points to your internal CRM server. Therefore the URL to access CRM over the Internet is https://company.companyname.com. This is the URL you will also use in configuring Outlook.

You will need other DNS records as well, because to use IFD you to install and configure Active Directory Federation Services.
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Adel EdwardNETWORK ENGINEERAuthor Commented:
Thank you for your support
can u state for me all  external dns records to be created in public dns please
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Feridun KadirPrincipal ConsultantCommented:
I think you need the following A records

organisationname   - the external IP address of the CRM server running the web application server role, a name is needed for each organisation database in CRM
dev or other name of your choice  - the external IP address of the CRM server running the discovery web service
sts or other name of your choice  - the external IP address of the server running AD FS
auth or other name of your choice - the external IP address of the CRM server running the web application server role

I think you need separate DNS names for each of the above even if all roles are on the same server.
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