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SSO problem by Redirecting URL between Portal and GRC 5.3 SP5.

I am working on SSO between Portal 7.0 and GRC 5.3 request URL. We have SPNEGO / LDAP configured in Portal.

After following SAP NOTE 1252589, I install redirect application in Portal server and use redirect application to access GRC URL. URL link is

http://<Portal hostname>:50000/RedirectApp?redirectURL=http://<GRC hostname>/AE/index_apr.jsp

After creating URL iview with this link, the iview shows errors as follows:

" Application error occurred during request processing.

Details: com.sap.engine.services.servlets_jsp.server.exceptions.WebIllegalArgumentException: Cannot redirect to "null" location."

If I run this URL link from IE directly, SSO does NOT work and GRC log-in screen shows up.

But SSO is working If I turn off "Integrated Windows Authentication" in IE.

Please give me some advice. Thanks.

Former Member
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