Angular Routing in IIS server - asp.net

Question

I have an Angular 4 app in a IIS server, in the same server there is a .NET Web API. They are in diferents folders: angular app is in "/wwwroot/angular/" and web api in "/wwwroot/api/". When I do a request to web api, it works successfully, but when I try to navigate to an URL different to index.html using the Routing Module in angular app I get this message:
500 - Internal server error.
There is a problem with the resource you are looking for, and it cannot be displayed.
Also, I have two Web.Config files -one in each folder-.
My Angular Web. Config is:
<system.webServer>
<rewrite>
<rules>
<rule name="Angular Routes" stopProcessing="true">
<match url=".*" />
<conditions logicalGrouping="MatchAll">
<add input="{REQUEST_FILENAME}" matchType="IsFile" negate="true" />
<add input="{REQUEST_FILENAME}" matchType="IsDirectory" negate="true"/>
</conditions>
<action type="Rewrite" url="/index.html" />
</rule>
</rules>
</rewrite>
</system.webServer>
Web.config of WEB API
<configuration>
<system.webServer>
<handlers>
<remove name="ExtensionlessUrlHandler-Integrated-4.0" />
<remove name="OPTIONSVerbHandler" />
<remove name="TRACEVerbHandler" />
<add name="ExtensionlessUrlHandler-Integrated-4.0" path="*." verb="*" type="System.Web.Handlers.TransferRequestHandler" preCondition="integratedMode,runtimeVersionv4.0" />
</handlers>
</system.webServer>
</configuration>
I researched in some questions like:
stackoverflow.com/questions/49833141/blank-page-when-publishing-angular-5-net-core-web-api
and
stackoverflow.com/questions/42865084/redirect-unknown-requests-to-index-html-in-springboot
But they doesn't work to me.
Anybody help me on this.
Thanks in advance.

Answer 1

The solution was move all the Angular files to root, at index.html I left <base href="/"> and make the web.config like this:
<?xml version="1.0" encoding="UTF-8"?>
<configuration>
<system.webServer>
<rewrite>
<rewriteMaps>
<rewriteMap name="^(.*)$" />
</rewriteMaps>
<rules>
<rule name="Angular Route" stopProcessing="true">
<match url="^(.*)$" />
<conditions logicalGrouping="MatchAll">
<add input="{REQUEST_URI}" pattern="/api(.*)$" negate="true" />
<add input="{REQUEST_FILENAME}" matchType="IsFile" negate="true" />
</conditions>
<action type="Rewrite" url="/index.html" />
</rule>
</rules>
</rewrite>
<security>
<authorization>
<remove users="*" roles="" verbs="" />
<add accessType="Allow" users="?" />
</authorization>
</security>
</system.webServer>
</configuration>

Answer 2

In your web.config change <action type="Rewrite" url="/FIN360" /> and in your index.html from the <base href="/"> remove the / Try this else change <base href="./"> OR <base href="/FIN360">