Find Plesk License key

To find Plesk serial number on Linux server, run

You can also use

But the plesk_key_id you get is in diff format, plesk themself won’t accept this when you submit a support ticket.

You can also find Plesk License key by logging into Plesk

Plesk > Tools & Settings > About Plesk

About Plesk

On next page you will see

Plesk License Number

Plesk