How do I change the ASP.NET version on my new Windows Shared Hosting package?
This FAQ will help you change the ASP.NET version for your website.
Login to your 123 Reg control panel and within the “Manage Active Products” section, click the green manage button next to the Shared Web Hosting product.
You will see an overview of your hosting package. Click on the Manage button in the top right of the window.
Click on ‘Web Hosting with Plesk’.
Then click on the Plesk Admin button.
In the Plesk control panel click on ASP.NET Settings for the domain you wish to change the configuration for.
On the ASP.NET Configuration page click on Change Version.
Select the ASP.NET version you wish to set for your website and click on Apply.