Hi
this problem is regarding sso session tickes generated everytime you enter url in IE
please try to set Following two parameters in solman and check whether your problem is solved or not
https://help.sap.com/saphelp_nw70ehp1/helpdata/en/d3/41c8ecb31d11d5993800508b6b8b11/content.htm
Regards
Dishant pathak