Var Runtime configuration key (RuntimeVAR) [AX 2012]

Updated: September 12, 2011

Applies To: Microsoft Dynamics AX 2012 R3, Microsoft Dynamics AX 2012 R2, Microsoft Dynamics AX 2012 Feature Pack, Microsoft Dynamics AX 2012

The VAR runtime configuration key controls access to the application objects in add-on solutions that are provided in the VAR layer.

With the configuration key enabled, you can execute additional functionality in the BUS layer. For example, you can import Microsoft Dynamics AX models into the VAR layer when this key is enabled.

You cannot enable or disable this key in the License configuration form.

The following forms are available when the configuration key is enabled.


For more information


The following table provides information about how this configuration key relates to other configuration keys and license codes.



License code

VAR layer runtime

Parent key


Child keys


For more information about how license codes and configuration keys work together, see About license codes and configuration keys.

Announcements: To see known issues and recent fixes, use Issue search in Microsoft Dynamics Lifecycle Services (LCS).