3787038 - SUM DMO with system move fails in phase MAIN_MIGSERIALSETUP_SOT/HOSTCHANGE_MOVE_SOT with error "The SUM started already on the target system. The initial transfer is 1EETQ399Xnot possible anymore!" due to Permission denied.

• An error occurs during the Software Update Manager (SUM) process in phase MAIN_MIGSERIALSETUP_SOT/HOSTCHANGE_MOVE_SOT.
• Error message: "The SUM started already on the target system. The initial transfer is not possible anymore!"
• FILESYNC.ECO shows SSH authentication failures: "Permission denied, please try again." and "Permission denied (publickey,gssapi-keyex,gssapi-with-mic,password)."

• Upgrade tools for ABAP
• Software Update Manager (SUM) 2.0 
• Database Migration Option (DMO) with System Move option

SUM, DMO, system move, MAIN_MIGSERIALSETUP_SOT, HOSTCHANGE_MOVE_SOT, initial transfer, Permission denied, publickey, passwordless SSH, SAPup_NEW.log, FILESYNC.ECO, SUM 2.0 SP26, ABAP, rsync , KBA , BC-UPG-TLS-TLA , Upgrade tools for ABAP , Problem