SharePoint Tips: Single Sign-On in Firefox

Target Audience: Site Administrators

During testing, you may be frequently required to log in and out of a SharePoint site. All the clicking could wear you out. Although Firefox does not offer the full SharePoint experience, I sometimes use a Firefox browser to minimize the repetitiveness. However, Firefox does not automatically handle single sign-on with Windows Integrated authentication. Below is a quick configuration to remedy that.

1. Open Firefox. Enter about.config as URL.
2. Promise Firefox that you will be careful.
3. Scroll or user filter to find the network.automatic-ntlm-auth.trusted-uris node. 
4. Add SharePoint URL(s). Separate each URL with a comma.
5. Press OK.
6. Verify you are automatically logged into those designated SharePoint site(s).

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