Simulation Engine Errors With HRESULT=0x8004154 Class Not Registered
(Doc ID 427819.1)
Last updated on AUGUST 19, 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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