3537436 - dmosystemmove.sh exited with 255 due to error 'Host key verification failed'

Symptom

Encountered issues with synchronization using DMO with mov.

Severe error(s) occurred in phase MAIN_MIGSERIALSETUP_SOT/HOSTCHANGE_MOVE_SOT!

Last generated error message:
Process /<path>/SUM/abap/bin/dmosystemmove.sh exited with 255, see
'/<path>/SUM/abap/log/DMOSYSTEMMOVEFULL.LOG' for details!

DMOSYSTEMMOVEFULL.LOG.txt

[Wed Nov 6 13:37:41 CST 2024] START initial transfer: /<path>/SUM -> sidadm@<hostname>:/<path>/SUM ...
Host key verification failed.
Host key verification failed.
SAPup> Process with PID 328345 terminated with status 255 at 20241106133741!

Environment

Upgrade tools for ABAP system

Product

SAP NetWeaver all versions ; SAP S/4HANA all versions

Keywords

DMO, synchronization, rsync, dmosystemmove.sh, DMOSYSTEMMOVEFULL.LOG, HOSTCHANGE_MOVE_SOT, Host key verification failed. , KBA , BC-UPG-TLS-TLA , Upgrade tools for ABAP , Problem

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