Knowledge Base

Server is detected as dedicated even though it is running on QEMU KVM on RedHat

The error message below is displayed when trying to install a Plesk VPS license on a Windows Server on QEMU KVM on RedHat virtualization platform:

PLESK_ERROR: Error: The license key is invalid. In order to use Plesk, you need to obtain and install a new valid license key. The license key is intended only for use with Plesk operating inside the following virtual environments: Virtuozzo containers, VMWare, Microsoft Hyper-V, Xen, KVM, Virtuozzo Server, LXC, Docker.
The php script info.php in this article gives this output:
```
'platform' => 'dedicated',
```
Note: if the message This app can’t run on your PC is displayed, it is possible to use this command instead:

C:> “%plesk_dir%adminenginephp.exe” info.php | findstr platform
‘platform’ => ‘dedicated’,
The command below gives the output “none”:

C:> “%plesk_dir%adminenginephp.exe” -dauto_prepend_file= -r “echo get_virtualization();”
none
The command below answers Red Hat and KVM as System Manufacturer and Model:

C:> systeminfo | findstr /C:”System Manufacturer” /C:”System Model”
System Manufacturer: Red Hat
System Model: KVM

Product issues:

#PPP-39785 “A VPS license can now be installed on a QEMU KVM server without any issues.”
Fixed in:
- Plesk Obsidian 18 December 2018 (Windows)
#PPPM-9784 Open

Please consider updating your server:

If update is not possible for some reason you may try the following

As a workaround, it is possible to apply the patch attached following these steps:

Connect to the server via RDP
Download the archive PPPM-9784-Plesk-17.8.zip.
Extract it on the server.
Run Windows command prompt as Administrator
Stop Plesk Management Service:

C:> net stop “Plesk Management Service”
Run the following 2 commands to create a backup of plesksrv.exe file
C:> cd %plesk_bin%

C:> ren plesksrv.exe plesksrv.exe_backup
Copy plesksrv.exe from the extracted archive to the %plesk_bin% folder
Start Plesk Management Service again:

C:> net start “Plesk Management Service”