This article may interest you, if after a repair on a Microsoft Dynamics CRM server, you are unable to access the Microsoft Dynamics CRM website.
Additionally, when you type your internal URL for accessing CRM, you receive the following IFD logon prompt:
HTTP 404 Not Found page.
Also, after you select the organization against which you want to configure in Microsoft Dynamics CRM Client for Outlook, you may receive this error message:
There is a problem communicating with the Microsoft Dynamics CRM server. The server might be unavailable. Try again later. If the problem persists, contact your system administrator.
You will experience this issue because when you run a repair on the Microsoft Dynamics CRM server, the internal web address URLs that are stored on the server are changed back to the server name.
However, depending on your environment, web clients may still resolve the changed URL but the Microsoft Dynamics CRM Client for Outlook is likely to fail during configuration.
To resolve this issue, you will need to switch the internal web address URLs back to their original values. The original values refers to the URLs that you typed when you accessed the CRM website before you ran the repair. These URLs must also match your bindings on the Microsoft Dynamics CRM website.
Do the following;
1. On the Microsoft Dynamics CRM server, click Start > All Programs > Microsoft Dynamics CRM 2011 > Deployment Manager.
2. Right-click Microsoft Dynamics CRM, and then click Properties.
3. Under the Web Address tab, update the URLs to the match your IIS binding for the Microsoft Dynamics CRM website.