How to configure authentication module für angular-based portal?!

I am not aware of being able to set this up for handling authentication for two different domains to behave differently, I have never heard of this being available.

As for configuring any of the web portals even the HTML5 ones, you can set the options via Designer under the following:

Base Data > Security settings

Thanks Troy for your feedback.

Perhaps I did not express myself well enough. In our development and test environment, we usually log in using the "DynamicPerson" method.

Later, when we are in the production environment, single sign-on comes into play. 

This selection of "DynamicPerson" is not yet shown to me in Angular web.

So how would the method need to be configured within Designer - Base Data > Security Settings - to show this in Angular web?

Then select web server configurations and select the API server. Once there click the authentication module (primary), is dynamic dynamic available?

Thanks Troy.
I have looked at the place in the designer - there the mentioned entry was missing, thereupon I have tried to add this manually however "only" the possibility "API Designer" is indicated to me - an "API server" is not indicated to me. What could be the reason for this?

That is the correct option. API Designer is the program for the API Server.

Thanks Troy - this setting seems to be correct.

I have set the first authentication method for the API Designer in the Web Server Configuration as "Employee (dynamic)". As second "system user".
In the login screen to the Web Portal, however, I am offered only the 3 variants regarding ADS Account (ADS Account dynamic, ADS Account, ADS Account role-based).
If I now want to assign the module "Employee (dynamic)" to the PRogram "API Designer", I get the following error:

[1025012] Object (Authentication modules) could not be saved!
[810306] Error running 'OnSaving' in logic module 'VI.DB.Entities.ModuleDependentLogic'.

How do I get a different login method configured for the Angular Web?
In the old/previous Web Designer Web this was possible in the WebDesingerConfigEditor.

Thanks Troy - this setting seems to be correct.

I have set the first authentication method for the API Designer in the Web Server Configuration as "Employee (dynamic)". As second "system user".
In the login screen to the Web Portal, however, I am offered only the 3 variants regarding ADS Account (ADS Account dynamic, ADS Account, ADS Account role-based).
If I now want to assign the module "Employee (dynamic)" to the PRogram "API Designer", I get the following error:

[1025012] Object (Authentication modules) could not be saved!
[810306] Error running 'OnSaving' in logic module 'VI.DB.Entities.ModuleDependentLogic'.

How do I get a different login method configured for the Angular Web?
In the old/previous Web Designer Web this was possible in the WebDesingerConfigEditor.

The authentication for the angular web portal is controlled by the following:

Base Data > Security settings > Programs

Click on WebDesigner and then select Authentication module

Make sure the Disabled check box is empty for Employee (dynamic)

Save the changes and recycle the application pool in IIS

Now when you login to the Angular web portal you will see the Employee (dynamic) in the drop down list.

Thanks Troy - with your advice and the colleague who usually takes care of permissions in the application, we got it working.

We had to enable the desired methods for the selection in the front ends first.
Now we are one step further - more questions will follow :-)