<html><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><div>Pavan,</div><div><br></div><div>You will need to look at your SP's shibd.log to discover the true problem, but most likely the clock on one or the other of your servers is wrong. That message is just a simpler version for browser users.</div><div><br></div><div>Take care,</div><div>Nate.</div><br><div><div>On Sep 7, 2011, at 0:06 , Pavan K wrote:</div><br class="Apple-interchange-newline"><blockquote type="cite"><span class="Apple-style-span" style="border-collapse: separate; color: rgb(0, 0, 0); font-family: Helvetica; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: -webkit-auto; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; font-size: medium; "><div>And when i issue the login url "<a href="http://machineA/Shibboleth.sso/Login">http://machineA/Shibboleth.sso/Login</a>" user is getting authenticated on IDP and i can see the response in SP logs. Bu after that i am getting<span class="Apple-converted-space"> </span><b>"Unable to establish security of incoming assertion".</b></div></span><br class="Apple-interchange-newline"></blockquote></div><br></body></html>