In this post, you’ll learn more about the Error XACT_S_OKINFORM
0x0004D004 that is returned when working with the COM-based APIs in Win32
Win32 COM Error
XACT_S_OKINFORM
0x0004D004
Win32 COM Error Error Description
No changes were made during this call, but the sink wants another chance to look if any other sinks make further changes.