id summary reporter owner description type status milestone component version severity resolution keywords cc 12032 boost::system::error_code bug? Falven2000@… chris_kohlhoff On Windows, attempting to call read or write before calling connect returns boost::system::error_code (expected behavior) with value 10057 (unexpected value), rather than boost::system::errc::not_connected (expected value). 10057 is windows sockets error WSAENOTCONN. Bugs new To Be Determined asio Boost 1.60.0 Problem