We pass REGCLS_MULTIPLEUSE as the flag for an out-of-proc server. This worked fine on Windows 7, but Windows 8 seems to ignore this flag and attempts to launch a new instance for any call other than the first.
I tested this with the sample code given here<http://starship.python.net/crew/theller/comtypes/server.html> with only a slight modification, changing the server so that it stays running and continually processes calls, to emulate what our program does. while True: comtypes.server.localserver.run([MyObjectImpl]) On Win7, if you launch the server, you can run the client multiple times and the calls will always go to the running instance of the server. On Win8, the first client call behaves as expected, but all subsequent calls cause a new instance of the server to be launched, and CreateObject eventually fails with the following error: Creating MyObject object now! Traceback (most recent call last): File "tools\sample_com_obj\sample_client.py", line 13, in <module> x = CreateObject("MyTypelib.MyObject") File "\comtypes\client\__init__.py", line 235, in CreateObject obj = comtypes.CoCreateInstance(clsid, clsctx=clsctx, interface=interface) File "\comtypes\__init__.py", line 1145, in CoCreateInstance _ole32.CoCreateInstance(byref(clsid), punkouter, clsctx, byref(iid), byref(p)) File "_ctypes/callproc.c", line 936, in GetResult WindowsError: [Error -2146959355] Server execution failed (That error number is 0x80080005 for marginally more readability) Both server and client files attached for your reference. Is anyone else experiencing this? Am I doing something horribly wrong? --Alicia
server.py
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client.py
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