Microsoft Dynamics CRM Online IP Address Ranges

Microsoft Dynamics CRM Online users may not be able to access their Microsoft Dynamics CRM Online environment or CRM outages may occur
If certain IP address ranges or individual IP addresses are blocked in the environment, users may not be able to reach the IP addresses used by Microsoft Dynamics CRM Online.
Ensure that all of the following IP address ranges are available and not blocked by firewalls, antivirus, or other network appliances. It is important that the entire ranges are available and not only individual IP addresses. The IP address of your CRM Online organization is subject to change without notice to another IP address within the provided ranges. As a result, if the entire range is not available, it may result in loss of connectivity to your Dynamics CRM Online organization. These ranges are solely owned and operated by Microsoft Dynamics CRM and these listed are only for hosted Dynamics CRM servers. If you are using CRM Online with Office 365, additional IP ranges will be required. See more information section for details.

North America

South America







More information
To view the Required Internet Accessible URLs for Microsoft Dynamics CRM Online, please see the following link:;EN-US;2655102

To view the Required URLs and IP ranges for Microsoft Dynamics CRM Online with Office 365, see the link below:

Office 365 URLs and IP address ranges

Note This is a "FAST PUBLISH" article created directly from within the Microsoft support organization. The information contained herein is provided as-is in response to emerging issues. As a result of the speed in making it available, the materials may include typographical errors and may be revised at any time without notice. See Terms of Use for other considerations.

Article ID: 2728473 - Last Review: 08/15/2016 18:01:00 - Revision: 17.0

Microsoft Dynamics CRM 2011, Microsoft Dynamics CRM 2013, Microsoft Dynamics CRM Online Professional Edition, Microsoft Dynamics CRM Online Professional Plus, CRM Online via Office 365 E Plans

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