Authentication/Authorization For 11g IIS Webgate Is Not Working- [500 Error] (Doc ID 2265527.1)

Last updated on MAY 17, 2017

Applies to:

Oracle Access Manager - Version 11.1.2.3.0 and later
Information in this document applies to any platform.

Symptoms

On : 11.1.2.3.0 version, Webserver Plugin

ACTUAL BEHAVIOR
---------------

 - After installing and configuring Oracle Webgate 11.1.2.3 for IIS 8.5 - unable to access the IIS server. The sequence that occurs is:
  a) HTTP Request to the IIS Server
  b) Redirect to OAM
  c) Authentication at OAM
  d) Redirected to IIS server
  e) OAMAuthnCookie set by webgate
  d) HTTP 500 error code received

The intial traffic between the webgate and OAM appears to be working. The user is forwarded to OAM for authentication then sent back to the webgate. obrar.cgi on the webgate side successfully sets a valid OAMAuthnCookie.

x509 Authentication is configured and working properly.
 IIS_TEST_INSTANCE is correct
There are no exceptions or errors recorded in the Event Viewer

Cause

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