Yes, you can opt out of the application in a subfolder of your original application, but the important thing is how you configure IIS for this new application. I recommend using sisters / parallels folders as best practice.
Expand your applications in the sibling folder:
c:\inetpub\wwwroot\ - your main application
c:\inetpub\mynewapp\ for your add-on application.
In IIS, expand your existing website and add a new application by pointing the root folder to c:\inetpub\mynewapp\
Result:
http://mysite = c:\inetpub\wwwroot\
http://mysite/mynewapp/ = c:\inetpub\mynewapp
You are all well and thatβs a pretty recognized "best practice" since you can now simplify NTFS and App Pool Identities identification. Browse the information on these topics and you will be one step ahead of the game with your sites deployed in this way.
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