Splunk® Enterprise

Admin Manual

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Configure a license master

This topic discusses configuring a Splunk instance as a license master. Before you proceed, you may want to review these topics:

Kinds of license masters

There are two types of license master:

  • Standalone license master, for a deployment consisting of a single indexer.
  • Central license master, for a distributed deployment with multiple indexers.

Standalone license master

If you have a single Splunk indexer and want to manage its licenses, you can run it as its own license master, install one or more Enterprise licenses on it, and it will manage itself as a license slave.

When you first download and install Splunk Enterprise, it includes a 500 MB 60-day Enterprise Trial license. This instance is automatically configured as a standalone license master, and you cannot create a pool or define any license slaves for this type of license. If you want to create one or more stacks or pools and assign multiple indexers to them, you must purchase and install an Enterprise license. To install a license, follow the instructions in Install a license.

Central license master

If you have more than one indexer and want to manage their access to purchased license capacity from a central location, configure a central license master and add the indexers to it as license slaves.

You can colocate a license master on any of these instances, subject to certain circumstances:

For a general discussion of management component colocation, see Components that help to manage your deployment in the Distributed Deployment Manual.

License master and slave compatibility

A license master must always be of equal or later version than its license slaves.

License master version Compatible license slave versions
6.1.x 6.0.x, 6.1.x
6.2.x 6.0.x, 6.1.x, 6.2.x
6.3.x 6.0.x, 6.1.x, 6.2.x, 6.3.x
6.4.x 6.0.x, 6.1.x, 6.2.x, 6.3.x, 6.4.x
6.5.x 6.0.x, 6.1.x, 6.2.x, 6.3.x, 6.4.x, 6.5.x
6.6.x 6.0.x, 6.1.x, 6.2.x, 6.3.x, 6.4.x, 6.5.x, 6.6.x
7.0.x 6.0.x, 6.1.x, 6.2.x, 6.3.x, 6.4.x, 6.5.x, 6.6.x, 7.0.x

Configure a central license master

To manage licenses across a distributed deployment of multiple Splunk Enterprise instances, designate an instance to function as the central license manager, using the guidelines discussed in Kinds of license managers.

To configure the central license master:

  1. Install one or more Enterprise licenses. See Install a license.
  2. Create one or more pools to access the installed license. See Create a license pool.
  3. Configure one or more license slaves. See Configure a license slave.

Now you can manage your licenses from the central license master. See Manage your licenses.

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This documentation applies to the following versions of Splunk® Enterprise: 7.0.0, 7.0.1, 7.0.2, 7.0.3


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