Kaspersky Endpoint Security - License Key

Purchasing a license can be done through several official channels:

The most comprehensive tier, offering protection across the entire corporate infrastructure. All features included in the Advanced tier. Dedicated protection for mail servers. Security for web gateways and internet traffic. Collaboration platform security (e.g., SharePoint). How to Deploy and Activate a Kaspersky License Key

Open the main application window and click "License" on the sidebar to view current status and days remaining. How to add a license to Kaspersky Endpoint Security Cloud kaspersky endpoint security license key

| Issue | Potential Solution | | :--- | :--- | | | This often indicates the license key is corrupted, the wrong type for your product version, or has been revoked. Try re-adding the key or obtaining a fresh .key file from the seller or Kaspersky website. | | Error: "Sending request to activation server error" | This typically points to an internet connectivity issue or a temporary problem with Kaspersky's servers. Check your firewall and internet connection, and try again in 1-2 hours. | | Key Works but Application Says "Not Activated" | Try restarting the operating system on the device with the activation issue. If that fails, reinstall the application or ensure the latest cumulative patch is installed. | | "Cannot add a reserve key" error | This occurs if you try to add a trial or subscription key as a reserve key, which is not permitted. You can only add a standard commercial key as a reserve. |

Controls the number of protected devices allowed under the contract. Purchasing a license can be done through several

For organizations using cloud infrastructure, Kaspersky offers a Bring Your Own License (BYOL) model. This allows you to use your existing Kaspersky license when deploying in AWS, Azure, or Google environments. The BYOL model supports up to 100,000 client devices for a single Administration Server and also allows management of devices outside the cloud environment.

Kaspersky Endpoint Security (KES) uses a dual-method system for license validation: an (a 20-character alphanumeric string) used to register the product, and a License Key (a unique 32-character hexadecimal string) that is automatically generated to identify your specific installation. Licensing Tiers & Pricing (2026 Estimates) Security for web gateways and internet traffic

How to Manage and Deploy License Keys via Kaspersky Security Center (KSC)

If your license key is not working, consider these common solutions:

Many businesses enable auto-renewal in the Kaspersky Business Hub. This ensures continuous protection without manual intervention.