# Licenses

This section describes licensing for IDOL products and components.

## Standard License Model

The standard licensing model in IDOL uses a License Server module, which provides licenses to all the other IDOL modules that make up the IDOL deployment. The License Server itself uses an encrypted license file, given at point of sale, which specifies:

- the number of permitted instances of each module type

- the number of permitted users, document sections and query rates

- the licensed module actions and features

- the license expiry date

- license information, such as the MAC address of the License Server

Other IDOL modules obtain their license from the License Server, and renew it periodically (typically every 2 hours) to continue operating.

## OEM License Model

An alternative licensing model allows you to distribute IDOL as part of an OEM application. In this case, the application has a single license without host or port restrictions. This license typically still includes an expiry date and version number.

For OEM licensing, you do not require a License Server installation. To prevent OEM customers from abusing the license, all requests to IDOL are encrypted in the application.

For more information about OEM encryption, see Encryption in IDOL.

## Enterprise OEM License Model

The Enterprise OEM License Model uses License Server to provide a standard license, and also includes an OEM encryption key that allows optional ACI request encryption.

This option provides a way for you to migrate an existing OEM system to the standard licensing model without requiring you to immediately change existing applications that use OEM encryption.

## Security in Licenses

Licenses are strongly encrypted, as are the requests and responses that issue them. To configure these requests to also use SSL, you can use the `SSLConfig` configuration parameter. For more information, refer to the License Server Reference.

Related Topics

- Troubleshoot License Issues

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