Knowledge Discovery 25.1
Getting Started Guide

# Licenses

To use Knowledge Discovery solutions, you must have:

- a running License Server

- a valid license key file (`licensekey.dat`) for the products that you want to use

- a valid version key (`versionkey.dat`)

License Server controls the Knowledge Discovery licenses, and assigns them to running components. The license key contains information about the products that License Server can license, and the version key contains information about the versions of the components that you can run.

Contact OpenText Support to request a license file for your installation. You can obtain the `versionkey.dat` from the Software Licenses and Downloads portal (SLD), in the License Server package or as a standalone download package.

NOTE: Software downloads from other locations (for example, Docker images from docker hub), do not include the `versionkey.dat`. You can obtain it only from the central SLD portal.

IMPORTANT: When you upgrade your components, you must download an updated `versionkey.dat` for the new versions.

License Server must run on a machine with a static, known IP address, MAC address, or host name. The license key file is tied to the IP address and ACI port of your License Server and cannot be transferred between machines. For more information about installing License Server and managing licenses, see the License Server Administration Guide.

When you start Knowledge Discovery, it requests a license from the configured License Server. You must configure the host and port of your License Server in the Knowledge Discovery configuration file.

You can revoke the license from a product at any time, for example, if you want to change the client IP address or reallocate the license.

CAUTION: Taking any of the following actions causes the licensed module to become inoperable.

You must not:

- Change the IP address of the machine on which a licensed module runs (if you use an IP address to lock your license).

- Change the service port of a module without first revoking the license.

- Replace the network card of a client without first revoking the license.

- Remove the contents of the `license` and `uid` directories.

All modules produce a `license.log` and a `service.log` file. If a product fails to start, check the contents of these files for common license errors. See Troubleshoot License Errors.

Copyright 2024 Open Text
Version 25.1 | Last updated January 2025

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Product: Knowledge Discovery 25.1

Topic Title: Licenses