In this post, you’ll learn about the error “SCARD_E_READER_UNAVAILABLE 0x80100017” that is returned when working with COM based APIs or libraries in Windows.
COM Error Message
SCARD_E_READER_UNAVAILABLE 0x80100017
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 specified reader is not currently available for use.
