On Jun 25 16:08, Corinna Vinschen wrote: > On Jun 25 14:10, Corinna Vinschen wrote: > > On Jun 22 11:27, Hiya Z wrote: > > > Hello, > > > > > > Now that Microsoft has bundled OpenSSH for Windows in update 1803 (see > > > https://blogs.msdn.microsoft.com/commandline/2018/03/07/windows10v1803/), > > > here are some observations and the resulting unfortunate behavior: > > > > > > - On a clean vanilla 1803 install, even with Windows Subsystem for Linux > > > (WSL) not installed, there exists a folder %SystemRoot%\system32\openssh > > > that has native Windows ssh and sshd executables. > > > > > > - %SystemRoot%\system32\openssh is added to the system PATH. > > > > > > - a (manual start) service "sshd", displayname="OpenSSH SSH Server", > > > imagepath=%SystemRoot%\system32\openssh\sshd.exe, gets created. > > > > > > All of the above have the unfortunate consequence that Cygwin sshd no > > > longer works reliably on a 1803 install. First, the service name "sshd" > > > conflicts. This can be worked around by something like "ssh-host-config -N > > > cygwinsshd". Even then, the Cygwin sshd does not always automatically start > > > upon reboot. The Windows sshd is not configured/running, so there should > > > not be a port conflict. SCM reports timeouts (waiting for cygwinsshd to > > > respond) in the event viewer. A manual "sc start cygwinsshd" works, but > > > again, upon the next reboot, the problem is back. > > > > > > There are other permutations depending on the sequence of install. If I > > > were to upgrade a Windows 10 1709 node with a working Cygwin sshd, it seems > > > that the 1803 update detects an existing sshd registry key (which really is > > > Cygwin), does not clobber the registry keys, nor does it install sshd.exe > > > under %SystemRoot%\system32\openssh (though ssh.exe and family get > > > installed). Even on this node, the Cygwin sshd shows the same issue of not > > > autostarting reliably upon reboots. Btw., I can't reproduce this problem. Cygwin's sshd service always starts for me at boottime as expected. Did you check if the log file in /var/log contains any more info? Corinna -- Corinna Vinschen Please, send mails regarding Cygwin to Cygwin Maintainer cygwin AT cygwin DOT com Red Hat