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This is documentation for Caché & Ensemble.

For information on converting to InterSystems IRIS, see the InterSystems IRIS Adoption Guide and the InterSystems IRIS In-Place Conversion Guide, both available on the WRC Distributions page (login required).

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Access information about Caché license usage programmatically; configure license servers.

Background Information

See “Managing Caché Licensing” in the Caché System Administration Guide.

Available Tools

Provides an interface to the Caché license API. This class provides methods like the following:

  • CSPGrace()

  • ConnectionCount()

  • GetFeature()

  • GetKeyStatus()

  • GetUserLimit()

  • And others

It also provides extensive class documentation.

Availability: All namespaces.

Enables you to modify and obtain information about the [LicenseServers] section of the CPF file. (Note that you usually modify this file via the Management Portal. See the Caché System Administration Guide.)

The class also provides the List() class query.

The class documentation includes examples and details.

Availability: %SYS namespace.


The special variable $SYSTEM is bound to the %SYSTEM package. This means that (for ObjectScript) instead of ##class(%SYSTEM.class).method(), you can use $SYSTEM.class.method().