Looking at the logging it became clear that the problem had something to do with elevated and privileged processes. Now when you try to login, you’ll get a different message “Connection reset by x.x.x.x port 22”. Now add that group to the sshd_config file like: AllowGroup SFTPUsers Create a local group and add your domain users in that local group. error: 1326įailed password for invalid user from x.x.x.x port 53784 ssh2Ĭonnection closed by invalid user x.x.x.x port 53784 Įventually the work-a-round was fairly easy. debug1: get_passwd: LookupAccountName() failed: 1332.ĭebug1: Can't match group at line 94 because user does not existĭebug1: userauth-request for user service ssh-connection method keyboard-interactive ĭebug1: keyboard-interactive devs ĭebug1: auth2_challenge: devs= ĭebug1: kbdint_alloc: devices '' ĭebug1: userauth-request for user service ssh-connection method password ĭebug1: Windows authentication failed for user: NOUSER domain. In this logging you’ll see that the group can’t be mached. To get more information about why the access was denied, you can stop the OpenSSH service and start it manually from an elevated prompt with the debug parameter, like: sshd.exe -d I tried many combinations of the allowed user syntax, all failed miserably and I got “Access denied” in Putty and “Permission denied, please try again.” in PowerShell. This is the second hurdle in setting up the SFTP server. According to the Microsoft documentation ( ), you’ll simply have to add AllowUsers followed by the users you want to grant access to the config file and it should work. To configure authentication go to C:\ProgramData\ssh and open the file sshd_config with a text editor. This is because you have to specify which accounts have access to the service and by default none are configured. Now that the OpenSSH service is running, you would think that you can connect to it, but when you try, you’ll get an access denied error. When the service is started for the first time the working directory will be created in C:\ProgramData\ssh. Now go to the Windows Services and change the OpenSSH Server service from manual to automatic and start the service. On older installations you now should make a new rule in Windows Defender Firewall to allow incoming traffic on port 22, but I found that in Windows Server 2022 this is already done. And there in the root of System find and open the policy “Specify settings for optional component installation and component repair”.Įnable the setting and also check “Download repair content and optional features directly from Windows Update instead of Windows Server Update Services (WSUS)”.Īfter this your install of OpenSSH should complete without an error and the binaries will be installed in C:\Windows\System32\OpenSSH. To solve this you’ll need open gpedit.msc and go to Computer configuration > Administrative Templates > System. After checking all kinds of different things, a default GPO was the problem. There is not much to go on here, because “install failed” is all the feedback you’ll get. Here you can come across your first hurdle: “Installation failed”. Select OpenSSH server from the list and click install. Go to Settings > Apps > Optional features > Add a feature. In Windows 10, 11, Windows Server 2019 and Windows 2022 this is just an optional feature that can be selected for installation. Especially when you want to use Active Directory authentication and a network share as the home folder.įirst off we have to install OpenSSH. But there are still some things that won’t go that easy and will give you strange errors and can cost you a lot of time. Nowadays the process for setting up a SFTP under Windows is fairly simple.
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