ADB server didn’t ACK * failed to start deamon*

Are you encountering the following errors with ADB? Windows Command Prompt c:androidsdkplatform-tools>adb devices adb server is out of date. killing... ADB server didn't ACK * failed to start daemon * error: unknown host service Solution: ADB server cannot start if port 5037 was occupied by other process hence we need to find and kill the process to release this port. c:androidsdkplatform-tools>netstat -aon|findstr 5037 TCP 127.0.0.1:5037 0.0.0.0:0 LISTENING 6889 TCP 127.0.0.1:5037 127.0.0.1:50506 TIME_WAIT 0 TCP 127.0.0.1:5037 127.0.0.1:50507 TIME_WAIT 0 PID 6889 is occupying port 5037. Find the process and kill it. 2. Start ADB server c:androidsdkplatform-tools>adb start-server * daemon not running. starting it now on port 5037 * * daemon started successfully...