1. Select All Domains from the Subscription selector located at the top of the Control Panel screen.
2. Click on the name of a desired domain.
3. On the Summary tab, look at the Web Hosting and Mail Hosting areas to make sure that no hosting is added to the domain.
If a domain already has some hosting services added to (Apache, IIS, Qmail, etc.), you need first to remove all existing hosting services by clicking "Remove" hosting in the corresponding areas of the screen.
4 Click Add Hosting in the Web Hosting or Mail Hosting area.
5 From the Hosting drop-down list, select the Parallels Plesk Panel option and click Next.
6 From the Subscription drop-down list, select the Parallels Plesk Panel in VPS Hosting Subscription.
Note: If access to services from different Subscriptions is disabled by your Provider, step 8 is missing from the wizard.
7 On the next screen, click Finish.
8 Back on the Summary tab, wait for the domain to become In Sync.