描述: The server has disconnected with an error. Server message reads: A protocol error occurred. The connection is closed by SSH Server Current FSM is SSH_Main_SSHProcess 原因:虚拟机网络适配器未打开 解决方法:打开控制面板——网络和Internet——网络连接——找到虚拟机对应的网络适配器——右键——启用