If CommandMask EstablishControlCmd is set, the EstablishConnections implementation shall call the EstablishControl Method on each element in ControlGroups for each element in ConnectionEndpointConfigurations. If ControlGroups is null or empty, EstablishControlResult shall be set to null or empty (see 10.15).

This command shall pass the ApplicationUri of the Session associated with the EstablishConnections Method Call as LockContext Argument to EstablishControl (see 6.5.3).

The EstablishConnections implementation shall stop processing this command on the first error and shall abort processing as described in 6.2.4.3.11.

The possible StatusCodes for the EstablishControlResult are formally defined in Table 13. The possible StatusCodes for the FunctionalEntityNodeResult are formally defined in Table 11. The possible StatusCodes for the ConnectionEndpointResult are formally defined in Table 12.