In this post, you’ll learn about the error “WS_E_ENDPOINT_ACTION_NOT_SUPPORTED 0x803D0011” that is returned when working with COM based APIs or libraries in Windows.
COM Error Message
WS_E_ENDPOINT_ACTION_NOT_SUPPORTED 0x803D0011
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 operation was not supported by the remote endpoint.