3242765 - START_SHDI_PREPUT phase failes, DDIC password locked

• The shadow system cannot be started
• Work processes are starting but they die without any clear log error, on shadow instance.
• START_SHDI_PREPUT_NEW.LOG displays the following error message: 2WETQ231 RFC Login failed
• Summary of Error:
  =================
  - Module: MAIN_SHDPREPUT/Shadow System Operations: Preput
  - Phase Name: MAIN_SHDPREPUT/START_SHDI_PREPUT
  - Phase Log File: START_SHDI_PREPUT_NEW.LOG
  - Error Message: Last error code set:
  Shadow instance
  couldn't be started, check 'START_SHDI_PREPUT_NEW.LOG' and 'DEVTRACE.LOG': Action START failed for <hostname>/10 ('Error:
  ABAP instance 10 on host <hostname> is still down!'). 

• Netweaver all releases

DDIC locked, password, START_SHDI_PREPUT, Action START failed, shadow , KBA , BC-UPG-TLS-TLA , Upgrade tools for ABAP , Problem