In this post, you’ll learn about the error “CO_E_CALL_OUT_OF_TX_SCOPE_NOT_ALLOWED 0x8004E030” that is returned when working with COM based APIs or libraries in Windows.
COM Error Message
CO_E_CALL_OUT_OF_TX_SCOPE_NOT_ALLOWED 0x8004E030
What is COM?
Microsoft’s COM stands for Component Object Model. Component Object Model (COM) is a networked, object-oriented framework for building interoperable binary software components. Microsoft’s OLE (compound documents), ActiveX (Internet-enabled components), and other products are built on the COM base technology.
Error Description
Below is the description of this COM Error.
The component attempted to make a cross-context call between invocations of EnterTransactionScopeand ExitTransactionScope. This is not allowed. Cross-context calls cannot be made while inside of a transaction scope.
