I have happily used Microsoft Remote Desktop Client for number of years now. I'm on macOS 10.14.6, RD Client 10.8.2 (2088). After recent update, I lost access to the client's legacy Server 2003. It w...
Exact same error, and it totally prevents remote access to the server. Both server and client are using a vpn:
RDP_WAN(ERR): TcpTrans::TcpTransportOnClosed - last exception: The operation couldn’t be completed. Operation now in progress: Operation now in progress