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Microsoft Dynamics CRM 2011 Integrated Authentication with Firefox in Update Rollup 12

Article ID: 2786247 - View products that this article applies to.

Symptoms

Mozilla Firefox users are prompted for credentials when attempting to log-in to Microsoft Dynamics CRM 2011 using Windows integrated authentication.

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This behavior is by design, as Firefox rejects all SPNEGO login challenges (Kerberos, NTLM, or other authentication protocols). For more information regarding this behavior, please see the following article:

https://developer.mozilla.org/en-US/docs/Integrated_Authentication

(https://developer.mozilla.org/en-US/docs/Integrated_Authentication)

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Resolution

This issue can be resolved by altering the network.automatic-ntlm-auth.trusted-uris configuration property to include the Microsoft Dynamics CRM website.

In Firefox, navigate to the following URL: "about:config".
If a warning page appears with the message, "This might void your warranty!", click "I'll be careful, I promise!".
Locate and double-click on the network.automatic-ntlm-auth.trusted-uris string property.
In the "Enter String Value" box, enter the URL address used to access the Microsoft Dynamics CRM website (ex. http://crm). Please note that multiple websites can be separated in the string value by using a comma.
Click Ok.
Close and re-open Firefox.

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More information

Cross browser compatibility was introduced to Microsoft Dynamics CRM 2011 in Update Rollup 12. Previous versions of Microsoft Dynamics CRM are not supported for cross browser access.

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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

(http://go.microsoft.com/fwlink/?LinkId=151500)

for other considerations.

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