[Python] Access Denied Error when run CANoe from Jenkins

I'm trying to run automatic test within CANoe from Jenkins. I wrote python scripts using CANoe COM interface. It can work normally with command line in the local computer(configured as the Jenkins slave). But when I tried to call the python scripts from Jenkins, I got the error as below.

Traceback (most recent call last):
File "automatic_test.py", line 165, in <module>
app = CanoeSync()
File "automatic_test.py", line 23, in __init__
app = win32com.client.gencache.EnsureDispatch("CANoe.Application")
File "C:\Python27\lib\site-packages\win32com\client\gencache.py", line 527, in EnsureDispatch
disp = win32com.client.Dispatch(prog_id)
File "C:\Python27\lib\site-packages\win32com\client\__init__.py", line 95, in Dispatch
dispatch, userName = dynamic._GetGoodDispatchAndUserName(dispatch,userName,clsctx)
File "C:\Python27\lib\site-packages\win32com\client\dynamic.py", line 114, in _GetGoodDispatchAndUserName
return (_GetGoodDispatch(IDispatch, clsctx), userName)
File "C:\Python27\lib\site-packages\win32com\client\dynamic.py", line 91, in _GetGoodDispatch
IDispatch = pythoncom.CoCreateInstance(IDispatch, None, clsctx, pythoncom.IID_IDispatch)
pywintypes.com_error: (-2147024891, 'Access is denied.', None, None)


Other information: CANoe version: 11.0SP2; Python version: 2.7;. Jenkins account is also the admin account for the slave computer. The python scripts work normally with the Jenkins account locally.

Thanks a lot for any help.

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