Guys i am very new to this authentication kind of things.. I need to do Cognos Single signon authentication with windows 2003 and i am not aware of authentication till now can any one give me a link of document which explains all kind of authentications or a step by step procedure... 
Thanks&Regards,
Jayanth.
			
			
			
				Hi jayanthhyd,
please find the following link it may helps you
http://www.ibm.com/developerworks/data/library/cognos/page442.html
thanks
bvk
			
			
			
				Thank you soo muc :-)