One synchronous service interface is changed to asynchronous after you transport it to PI 7.31 or PI 7.4, as shown in the following picture:
SAP enhancement package 1 for SAP NetWeaver 7.3
SAP NetWeaver 7.4
Process Integration 7.31, PI 7.31, Process Orchestration 7.4, PI 7.4, PO 7.4, XI , KBA , BC-XI-IBD-INF , Interfaces , Problem
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