Sometimes, the following error occurs when one tries to login at Microsoft Dynamics CRM 2011 Online Web Client:

"The Windows Live Network is unavailable from this site for one of the following reasons…”

Figure 1: Error message

This article focusses on how to resolve this error. 

Solution:

 1) Update the Internet Explorer Security Site settings

To do so, open the Internet Explorer and navigate to
Tools menu > Internet Options > Security tab. There, select Trusted sites. Then click on the [Sites]-button.

Figure 2: Internet Options

Now add the three following sites to the zone:

1. https://login.live.com
2. https://signin.crm.dynamics.com
3. https://.crm.dynamics.com

Figure 3: Trusted Sites

That’s it! We appreciate your feedback! Please share your thoughts by sending an email to support@mscrm-addons.com.