Problem was in Windows Agent Version 12.0.3 and did not exist in previous versions.
Windows jobs systematically abort with a Return Code 9009.
C:\>C:\Program Files\UC4\.......\AgentWin\bin\UCXJWX6M.EXE JNR=0001124189 MNR=5000 PNR=2303 IPA=10.144.221.95 TYP=S TXT=" Job started"
'C:\Program' is not recognized as an internal or external command,
operable program or batch file.
ATTENTION - UC4:JOBMESSENGER failed
JOB ended with RETCODE 0
JOBMSG ended with RETCODE 9009
JOB will abort with RETCODE from JOBMSG step
The Agent is not able to retrieve its compounds, if it was installated in "C:\Program Files\"
Any Windows versions that are supported by Microsoft and which are compatible with the AUTOMIC solution
Replace "C:\Program Files\" in the variable UC_EX_JOB_MD of the agent
in the INI file of the window Agent und the section [VARIABLE], adjust UC_EX_JOB_MD
Update to a fix version listed below or a newer version if available.
Component(s): Automation Engine and Windows Agent
Automation Engine 12.2 - Available