To explain this better, we will use the below example on how to set up the cart using the Plesk control panel.
www.cart1.com
www.cart2.com

Steps to set up the cart using the Plesk control panel

Step 1: Upload and install the site on www.cart1.com. It is the only place where the files and DLLs nopCommerce are stored.
Step2: From the control panel of www.cart2.com (That is, your hosting control panel, not the nopCommerce administration area) ensure that all requests to www.cart2.com are forwarded (not redirected) to www.cart1.com. Perform this using CNAME records. This step is crucial.
Step3: Now from the control panel of www.cart1.com, configure a domain alias for www.cart2.com. After completing the steps above, when accessing www.cart2.com from your browser, the content of www.cart1.com will be displayed.
Step4: Then configure the stores in the nopCommerce administration area and you can start uploading the content for both stores. This is described below.

The process to be performed from the Plesk Control Panel below, as follows:
When www.cart2.com is redirected to www.cart1.com, the webserver for the Plesk does not know how to display www.cart2.com since it uses Name-Based Virtual Hosting. Therefore, you must create a domain alias for www.cart2.com, as described below:

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