Solution : https://service.sap.com/sap/support/notes/423099 (SAP Service marketplace login required)
Key words :
wdtlog_trace=1 activate sap logon control tracewdtlog_trace_dir=, \temp trace files directorysee note 308929, sap logon control trace, low speed connection reason, system packs internal tables, sap logon control, packing internal tables, sap logon separately, low speed connection, bex web analyser
Related Notes :
373452 | Destination dependent RFC table compression |
184905 | Collective note Performance BW 2.0 |
153265 | Changes in SAP Logon control (wdtlog.ocx) |