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Simulation Engine Errors With HRESULT=0x8004154 Class Not Registered (Doc ID 427819.1)

Last updated on DECEMBER 04, 2019

Applies to:

Oracle Demantra Demand Management - Version 7.1.0 and later
Information in this document applies to any platform.


Q 1: When attempting to start Simulation Engine, getting "WARNING Failed to create engine monitor.
HRESULT=0x8004154 - Class not registered." EngineManager continues to run until "Executing the
shell...", after which it gets another error "ERROR Could not create callback COM object!
HRESULT=0x8004154 - Class not registered."

Users attempted to uninstall/reinstall but still have the same issue.  How can this be fixed

Q 2: Another question is, can these components be registered on an XP SP2 machine with IE 7 (Internet Explorer Version 7)?


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