To use Task Gateway, you must ensure that the relevant components are installed in your system landscape.
For more information, see Installing SAP Gateway Components.
If you have an SAP Business Workflow (BWF) system, you must set it up before you can start working with Task Gateway. To integrate your SAP Business Workflow system it must be based on SAP NetWeaver 7.0 SPS18 or higher.
For more information, see Integrating Your SAP Business Workflow System
If you have an SAP NetWeaver Business Process Management (BPM) system, you must create a logical port to it before you can start working with Task Gateway. To integrate your BPM system, you require SAP NetWeaver 7.31 SPS 13 or higher.
For more information, see Integrating Your SAP Business Process Management System.