On Windows 11 after upgrading the service did not start reporting "
System error 1067 has occurred.".
It seems that the problem is because of theC:\ProgramData\ssh\logsdirectory permissions.
Removint this directory allows starting of OpenSSH service.
List the capabilities matching OpenSSH*.
Get-WindowsCapability -Online | Where-Object Name -like 'OpenSSH*'
Using Powershell command line and execute the following to enable the Windows capabilities.
As of writing, version 0.0.1.0.
So check the latest versions.
# Install the OpenSSH Client
Add-WindowsCapability -Online -Name OpenSSH.Client~~~~0.0.1.0
# Install the OpenSSH Server
Add-WindowsCapability -Online -Name OpenSSH.Server~~~~0.0.1.0
Modify file %PROGRAMDATA%\ssh\sshd_config.
notepad %PROGRAMDATA%\ssh\sshd_config
Comment out the next lines located at the bottom of the file.
Since the first user is also an administrator.
Match Group administrators
AuthorizedKeysFile __PROGRAMDATA__/ssh/administrators_authorized_keys
Change file entry at the beginning named AuthorizedKeysFile as follows to use in the Cygwin folder located .ssh directory.
AuthorizedKeysFile %h/cygwin/.ssh/authorized_keys
Change the DefautShell string value in the registry or create it when it does not exist.
New-ItemProperty -Path "HKLM:\SOFTWARE\OpenSSH" -Name DefaultShell -Value "C:\cygwin64\sshd.bat" -PropertyType String -Force
When done restart the sshd service.
Using powershell.
Restart-Service sshd
Alternative use the command prompt.
net stop sshd & net start sshd
Create the batch file %SystemDrive%\cygwin64\sshd.bat with the following content.
It sets the home directory for the Cygwin bash session by calling the existing Cygwin.bat file.
@echo off
set HOME=%HOMEDRIVE%%HOMEPATH%\cygwin
call %~dp0Cygwin.bat
Run the sshd.exe with option -ddd where the amount of D's stands vor the level of debugging.