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Subject: Re: Need information on creating service user to connect from the
 Agent server to Windows hosts for installing agents on remote
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Date: Sun, 16 Aug 2020 11:36:10 +0200
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From: Marco Atzeri via Cygwin <cygwin@cygwin.com>
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On 16.08.2020 10:17, Subramanya Narayanaswamy via Cygwin wrote:
> Hi Team,
> 
> I'm facing below issue while trying to start CYGSSHD server. I'm running the below command as an Administrator but not sure why cygsshd is not starting. Any help?
> --------------------------------------------------------------
> $ net start cygsshd
> The CYGWIN cygsshd service is starting.
> The CYGWIN cygsshd service could not be started.
> 
> The service did not report an error.
> 
> More help is available by typing NET HELPMSG 3534.
> 
> Subramanya
> 

I saw the same problem.
The /var/log/sshd.log gave me the hint:
-----------------------------------------------
Permissions 0640 for '/etc/ssh_host_rsa_key' are too open.
It is required that your private key files are NOT accessible by others.
This private key will be ignored.
..
Permissions 0640 for '/etc/ssh_host_ecdsa_key' are too open.
It is required that your private key files are NOT accessible by others.
This private key will be ignored.
..
Permissions 0640 for '/etc/ssh_host_ed25519_key' are too open.
It is required that your private key files are NOT accessible by others.
This private key will be ignored.
sshd: no hostkeys available -- exiting.
------------------------------------------------


from the Admin account

  $ cd /etc
  $ chmod 600 ssh*

solved the problem

  $ cygrunsrv -S cygsshd

  $ cygrunsrv -Q cygsshd
Service             : cygsshd
Display name        : CYGWIN cygsshd
Current State       : Running
Controls Accepted   : Stop
Command             : /usr/sbin/sshd -D
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