"Communication was blocked..." error when you attempt to configure Microsoft Dynamics CRM for Microsoft Office Outlook
When you try to configure Microsoft Dynamics CRM for Microsoft Office Outlook, you receive the following error message:
“Communication was blocked, perhaps by your computer’s firewall settings, to a web service that is required by Microsoft Dynamics CRM.”
Microsoft Dynamics CRM for Outlook was unable to communicate with the required services. This could be due to the client's machine blocking communication via proxy or proxy PAC file not allowing communication.
See the following links:
Unblock URLs required for Microsoft Dynamics CRM Online
Microsoft Dynamics CRM for Outlook client crashes when using a Proxy PAC file
(407) Proxy Authentication Required Exception
If you are still encountering issues connecting CRM for Outlook to your CRM Online organization, run the Microsoft Support and Recovery Assistant to diagnose and fix the problem.
Article ID: 2997744 - Last Review: 06/06/2016 22:47:00 - Revision: 3.0
Microsoft Dynamics CRM 2013, Microsoft CRM client for Microsoft Office Outlook, Microsoft Dynamics CRM 2015, Microsoft Dynamics CRM 2016
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