In 12.51 SPS environment, a Target in authentication schemes was set to "/proxyui/forms/login.fcc".
When a user accessed to FQDN:8080(Tomcatport)/proxyui/, got below error.
Server Error. The server was unable to process your request.
The target is specified as described in the following 12.51 SPS Administration Guide;
Type the following value in Target:
Note: To get the context path, open the proxyui.xml file from sps_home/Tomcat/conf and note down the value mentioned in the path parameter.
Specify relative path as "/proxyui/siteminderagent/forms/login.fcc" to the authentication scheme target.
Consider with unifying with FQDN:8080(Tomcatport) for accessing to proxy UI.
Recheck the settings according to the above.
A policy for proxy UI is not created automatically in R12.51. The target seems to be changed.
It is "/proxyui/siteminderagent/forms/login.fcc" in a authentication scheme created automatically in R12.52 or later.