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People who use VS 2005 to debug ASP.NET applications running in IIS7 on Windows Vista can encounter one of the following error messages when they press F5 to auto-attach the debugger in the IDE: * "An authentication error occurred while communicating with the web server." * "Debugging failed because integrated Windows authentication is not enabled." * "Authentication error occurred while communicating with the web server. Try disabling 'Digest authentication'"