When installing the Oracle Access Manager WebGate and WebPass in different directories on Windows you will encounter some problems when it comes to forms-based authentication. The reason for this lies in the configuration of the IIS (oh - how I like Apache :-) . The redirection to the forms based HTML login and its redirection can easily fail as the IIS is not aware of the different location of the other directory. I solved this by changing the Virtual Directory settings in the IIS. Here is a picture that will give you an idea where and how to do this:
Some of the stuff I do for a living. This mainly concerns working with Oracle Databases and Application Servers. Lately I picked up AWS, Azure and OCI.