How to customize the Outlook Dynamics CRM 2011 client

I have some problems setting up an external client for crm 2011 dynamics. Crm-server is running on a dedicated server that cannot be intercepted from outside my company's network (im using crm dynamics for my master's thesis). I can only achieve this from our network and I have no problem with this using Internet Explorer and the web client.

when i run the Outlook client configuration wizard, i am prompted to paste the crm server url. when i enter it in ip (including the port where the crm server is installed) i get a response that there is no communication (on the server).

I also tried to modify the windows hosts file and resolve the dns / server name to put the server name in the box (instead of using ip). but nothing can bring me longer as a wizard. I cannot log into dynamics or select an organization.

hello suutsch