Article ID: 1813, created on Apr 23, 2007, last review on Apr 27, 2014

  • Applies to:
  • Plesk 8.1 for Windows


When attempting to access to content of a protected folder, authentication screen is displayed twice. One  for Plesk authorization, another for IIS authorization.


This problem may occur when Basic authentication is enabled on the protected folder. Plesk ISAPI filter is involved in this configuration.


This problem has been solved in Plesk version 8.2. Consider upgrading Plesk to the latest version

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