InstantForum.NET v2.9.0SQLServerCentralhttp://www.sqlservercentral.com/Forums/notifications@sqlservercentral.comSun, 19 May 2013 18:50:18 GMT20http://www.sqlservercentral.com/Forums/Topic985191-391-1.aspxIt's not a bug. Sometimes, if the authentication mode is goofed up (it's just a configuration in the registry) by the sys admin people.Your sql server won't be part of all the three modes of authentication.This option is used to find the same.Thanks to all for your precious time. By next week, I will write a detailed article in my blog. Cheers,Venkatesan Prabu .Jhttp://venkattechnicalblog.blogspot.com/Thu, 23 Sep 2010 02:12:11 GMTVenkatesan Prabuhttp://www.sqlservercentral.com/Forums/Topic985191-391-1.aspxyou can also refer the following to get more details on authenticationhttp://support.microsoft.com/kb/326985Thu, 23 Sep 2010 02:04:15 GMTsubbu_ehttp://www.sqlservercentral.com/Forums/Topic985191-391-1.aspxhttp://sqlblog.com/blogs/jonathan_kehayias/archive/2010/09/15/policy-based-management-and-the-unknown-loginmode.aspxhttp://sqlblog.com/blogs/tibor_karaszi/archive/2010/09/15/watch-out-for-old-stuff.aspx(I guess your question was already answered on MSDN forums, I thought it would be cool to share them with SSC readers! :-) )Cheers!!Wed, 22 Sep 2010 02:11:35 GMTaruopnahttp://www.sqlservercentral.com/Forums/Topic985191-391-1.aspxI'm agree with Steve Jones - Editor RegardsAli TailorWed, 15 Sep 2010 01:14:18 GMTAli Tailorhttp://www.sqlservercentral.com/Forums/Topic985191-391-1.aspxAFAIK, there is no other method. Perhaps its' an error? Can you give more details about what you mean about finding a new mode? Where? What context?Mon, 13 Sep 2010 21:36:11 GMTSteve Jones - SSC Editorhttp://www.sqlservercentral.com/Forums/Topic985191-391-1.aspxWhile working on Policy based managements, I found an option unknown in the authentication mode.I have heard windows/mixed and sql server authentication. Whats this unknown authentication type. Any thoughts from experts. Cheers,Venkatesan Prabu .Jhttp://venkattechnicalblog.blogspot.com/--------------------------------------------------------------------------------Mon, 13 Sep 2010 19:55:42 GMTVenkatesan Prabu