Troubleshooting: Unblock URLs required for Dynamics 365 (online)

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Applies To: Dynamics 365 (online), Dynamics CRM Online

Microsoft Dynamics 365 (online) uses several Microsoft URLs to help provide security, services, and features. However, your computer or your organization’s computer network may block access to some of these URLs. Blocking any of the required URLs will cause Microsoft Dynamics 365 (online) to operate incorrectly or not at all.

You may see a network or server error message if your computer or your organization's network blocks the URLs you need. The error message might look like one of these:

  • "The specified Microsoft Dynamics 365 Server address (URL) is not responding. Ask your administrator to verify that the server is turned on, and then try again."

  • "There is a problem communicating with the Microsoft Dynamics 365 Server. The server might be unavailable."

You can unblock these URLs on your computer by adding them to a list of approved sites in your browser.

Important

If the following procedure doesn’t unblock the URLs required for Microsoft Dynamics 365, ask your system administrator to unblock the URLs on the organization’s network.

Tip

You can troubleshoot issues with signing in to Dynamics 365 using the Microsoft Support and Recovery Assistant for Office 365. For more information, see the blog New diagnostic scenario for web sign-in.

Unblock Dynamics 365 URLs in Internet Explorer

  1. On the Explorer bar, click or tap the Tools icon (the white gear shape), and then click or tap Internet options.

  2. Click or tap the Security tab > Trusted sites > Sites.

  3. In Add this website to the zone, type the URL for your Dynamics 365 (online) organization. For example, https://contoso.crm.dynamics.com

  4. Click or tap Add > Close > OK.

For a list of other URLs you may need to add to unblock, see Internet accessible URLs required for Microsoft Dynamics CRM 2011 or 2013 and connectivity

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