How to configuring ASP.NET for Virtual Directories in Plesk

To configure ASP.NET settings for a virtual directory within a website, perform the following steps:

1 – Logged in to Plesk.
2 – Go to Websites & Domains, and find the website’s domain name.
3 – Click Virtual Directories.
4 – Browse to the required directory and click a link with its name.
5 – Click ASP.NET Settings.
6 – Set up the strings that determine database connection data for ASP.NET applications that use databases.
7 – Set up custom error messages.
8 – Configure compilation settings.
9 – Configure encoding settings.
10 – Set a code access security trust level.
11 – Set client session parameters.
12 – Click OK to apply all changes.