Solution : https://service.sap.com/sap/support/notes/580869 (SAP Service marketplace login required)
Key words :
solution unprocessed rfc calls, send idocs simultaneously, parallel rfc calls, ale distribution runs, relevant registered destinations, trfc calls, ale distribution, rfc processes, rfc resources, trfc ports
Related Notes :
530873 | IDoc: IDocs retain status 64 with new qRFC version |