1635244 - User account keeps locking or many entries in SM58 (or ST22 dumps) with "Logon Failed"

• User WF-BATCH is in status locked in transaction SU01.
• Workflow RFCs cannot be processed and you see many entries in transaction SM58 and SM21 with status text "User WF-BATCH locked due to incorrect logon".
• Workflow RFCs cannot be processed and you see many entries in transaction transaction SM58 with status text "Password logon no longer possible - too many failed attempts".
• There are several short dumps with CALL_FUNCTION_SIGNON_REJECTED or CALL_FUNCTION_SYSCALL_ONLY in transaction ST22.
• No authorization to log on to the target system (error code 53) >>>> 53 PASSWORD_ATTEMPTS_LIMITED Lock counter exceeded

• SAP release independent
• Workflow environment 

WF-BATCH, SU01, Locked, "maximum number of connected terminals reached", SM58, SWU2, logon failed, password, RFC, CALL_FUNCTION_SIGNON_REJECTED, CALL_FUNCTION_SYSCALL_ONLY, terminal connections, error code 53 , KBA , BC-BMT-WFM-RUN , Runtime , BC-MID-RFC , RFC , Problem