Symptom
An RFC connection test (SM59) from an SAP 4.6C system to a newer ABAP system fails with:
- Connection closed
or
- R/3 connection: Connection closed
The issue can start after upgrading the kernel of the target system. In the target system work process trace (dev_w*) the following error may be observed:
- *** ERROR => state check failed: state=1 versus specified rfcstate=0 in line=*** [abrfcget.c ***]
RFC communication works again after reverting the target system to an older kernel patch level.
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Environment
- SAP NetWeaver
- SAP NetWeaver Application Server for SAP S/4HANA
- ABAP PLATFORM - Application Server ABAP
Keywords
SM59, RFC, connection closed, destination, 4.6C, state check failed, kernel, upgrade, update, patch level, connection test, ping, target, client, server, version, R/3 , KBA , BC-MID-RFC , RFC , Problem
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