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Login prompt keep on coming in Firefox for Windows Authentication in Windows Server 2008 R2 | CodeAsp.Net

Login prompt keeps on coming in Firefox for Windows Authentication in Windows Server 2008 R2

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I was facing a weird issue where I was putting a valid set of credentials in login prompt of Firefox and was getting login prompt again and again i.e it was not accepting the credntials. I was using Windows Server 2008 R2. I was getting this issue only in Firefox. In IE and Chrome it was working fine.

Solution:

I am writing the settings which I turned on which was set to off in my Firefox. I opened the following URL in the Firefox "about.config", entered "NTLM" in search box and encountered the following screen:

I changed the following options to true:

  1. network.auth.force-generic-ntlm
  2. network.automatic-ntlm-auth.allow-non-fqdn
  3. network.automatic-ntlm-auth.allow-proxies
  4. network.ntlm.send-lm-response

Below is the screenshot for that:

After doing that Windows Authentication login prompt started accepting my credentials.

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