Plesk License Key -
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Plesk License Key: Types, Installation, and Troubleshooting A Plesk license key is a unique alphanumeric string that activates and validates your Plesk Obsidian or Plesk Onyx installation. It determines which edition (Web Admin, Web Pro, Web Host, or Dedicated) you can use and for how long. 1. Types of Plesk Licenses | License Type | Best For | Domain Limit | Key Features | |--------------|----------|--------------|----------------| | Web Admin | Personal use / 1 domain | 1 domain | Full security, basic email, onyx features | | Web Pro | Small business / agencies | 30 domains | WordPress toolkit, Git, Docker, Reseller | | Web Host | Growing hosting businesses | Unlimited | Customer & subscription management, billing integration | | Dedicated | High‑volume hosting | Unlimited | Full white‑label, advanced monitoring |
Note: There is also a Free 14‑day trial key available from the Plesk website.
2. Where to Get a Plesk License Key
Directly from Plesk – Via the official Plesk online store (monthly/yearly). From your server provider – Many VPS/dedicated server providers (AWS, DigitalOcean, Hetzner, OVH) include a Plesk license. Resellers / hosting partners – For bulk or discounted pricing. Plesk 360 – Centralized license management for multiple servers.
3. How to Install / Activate a Plesk License Key Via Plesk Installer (CLI) plesk bin license --install <LICENSE_KEY>
Via Plesk GUI
Log into Plesk as admin. Go to Tools & Settings → License Management . Paste your license key and click Activate .
Via Plesk Installer (during fresh installation) During the initial setup, the installer will ask for a license key. You can also skip this and use a trial. 4. Check Your Current License Status plesk bin license --info
Output includes:
License type Expiration date Number of used / allowed domains Feature list
5. Common License Errors & Fixes | Error Message | Likely Cause | Solution | |---------------|--------------|----------| | Invalid license key | Typo or wrong format | Double‑check key (use copy‑paste) | | License expired | Key out of date | Renew via your provider or Plesk store | | Domain limit exceeded | Overused slots | Upgrade license or delete unused subscriptions | | License key does not match OS | Trying to use Windows license on Linux (or vice versa) | Obtain correct OS version | | Failed to connect to license server | Network / firewall block | Allow outbound to ka.plesk.com on port 443 | 6. How to Renew or Upgrade a License