Why does the authentication pop-up display?

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There can be many reasons why users may receive authentication pop-ups. This article explains only one specific example. 

When NTLM authentication for proxy authentication is employed, authentication pop-ups display when you change the Windows password by password policy.


Authentication pop-up box displayed when customer change the windows password by password policy.
A special application is used to change the Windows password, which causes the authentication pop-up.

Troubleshooting steps:
1. To check authentication password: Change the authentication method for only basic credential (this option is just for troubleshooting so that you can confirm with a packet capture the actual password being sent from the browser).
2. BCAAA debug: see 000010313
3. Take a packet capture (PCAP)

Potential Results:
From PCAP:  Windows client used an old password for Proxy authentication. If this is the case, the problem is not caused by the ProxySG but rather the client sending an incorrect password.

Additional Information
Bug Number
InQuira Doc IdKB3941

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Hide Properties
First Published      10/01/2014
Last Modified      10/01/2014
Last Published      10/01/2014
Article Audience
Product      ProxySG
Software      SGOS 5.4
Topic      BCAAA
Article Number      000016291
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