Find Plesk License key

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To find Plesk serial number on Linux server, run

grep key-number /etc/sw/keys/keys/key* | grep PLSK | awk -F "<|>" '{print $3}

You can also use

plesk bin keyinfo --list

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

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