See https://winscp.net/eng/docs/faq_scheduler

Hi Guys

I have an issues that when running in DOS all works, however via Task scheduler l get the below error as it wants the thumb print. The issue l have is that i am using a private file and the hostkey commands don't seem to work with the below.
I had;


But when i use i get teh below error
open sftp://<username>@sftp.hostname.com -privatekey=Private.ppk -hostkey="ssh-xxxxxx 256 XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
ssh-xxxxx 256 xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx"

Error
Host key fingerprint is:
. 2019-08-20 16:09:42.873 ssh-xxxxxx 256 XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
. 2019-08-20 16:09:42.874 Asking user:
. 2019-08-20 16:09:42.874 **Continue connecting to an unknown server and add its host key to a cache?**
. 2019-08-20 16:09:42.874
. 2019-08-20 16:09:42.874 The server's host key was not found in the cache. You have no guarantee that the server is the computer you think it is.
. 2019-08-20 16:09:42.874
. 2019-08-20 16:09:42.874 The server's xxxxxx key details are:
. 2019-08-20 16:09:42.874
. 2019-08-20 16:09:42.874 Algorithm: ssh-XXXXXX 256
. 2019-08-20 16:09:42.874 SHA-256: XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
. 2019-08-20 16:09:42.874 MD5:
. 2019-08-20 16:09:42.874
. 2019-08-20 16:09:42.874 If you trust this host, press Yes. To connect without adding host key to the cache, press No. To abandon the connection press Cancel.
. 2019-08-20 16:09:42.874 In scripting, you should use a -hostkey switch to configure the expected host key. ()
. 2019-08-20 16:09:53.171 Attempt to close connection due to fatal exception:
* 2019-08-20 16:09:53.171 Host key fingerprint is ssh-xxxxx 256 XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX.
* 2019-08-20 16:09:53.171 (Exception) **Host key wasn't verified!**
. 2019-08-20 16:09:53.171 Closing connection.
. 2019-08-20 16:09:53.171 Sending special code: 12