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[quote="Stockburn"]I am calling WinSCP via an SSIS job / bat file, getting an error in the log file telling me the [i]server refused our key[/i]. See below for the error. 
This is intermittent, sometimes does / doesn't work, I also see the failure when logging in manually using the EXE, hit the reconnect button and it works. 
Any suggestions or advice would be appreciated.

Windows 2019 
WinSCP 6.3.6 
[code]@sessionlog@
. Server offered these authentication methods: publickey
. 2025-01-13 13:38:05.651 Offered public key
! 2025-01-13 13:38:05.823 Server refused our key
< 2025-01-13 13:38:05.823 Script: Server refused our key.
. 2025-01-13 13:38:05.823 Server refused our key
. 2025-01-13 13:38:05.823 Server offered these authentication methods: publickey
. 2025-01-13 13:38:05.823 No supported authentication methods available (server sent: publickey)
. 2025-01-13 13:38:05.823 Attempt to close connection due to fatal exception:
* 2025-01-13 13:38:05.823 No supported authentication methods available (server sent: publickey)
. 2025-01-13 13:38:05.823 Closing connection.
< 2025-01-13 13:38:05.823 Script: No supported authentication methods available (server sent: publickey)
< 2025-01-13 13:38:05.823 Authentication log (see session log for details):
< 2025-01-13 13:38:05.823 Using username "*******".
< 2025-01-13 13:38:05.823 Server refused our key.
< 2025-01-13 13:38:05.823
[/code][/quote]

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Topic review

martin

Re: Server refused our key: No supported authentication methods available

2025-01-13

Please post complete log for successful and failed authentication. Also, did you check server-side log file? What does it say?

Stockburn

Server refused our key: No supported authentication methods available

2025-01-13 03:51

I am calling WinSCP via an SSIS job / bat file, getting an error in the log file telling me the server refused our key. See below for the error.
This is intermittent, sometimes does / doesn't work, I also see the failure when logging in manually using the EXE, hit the reconnect button and it works.
Any suggestions or advice would be appreciated.

Windows 2019
WinSCP 6.3.6

. Server offered these authentication methods: publickey
. 2025-01-13 13:38:05.651 Offered public key
! 2025-01-13 13:38:05.823 Server refused our key
< 2025-01-13 13:38:05.823 Script: Server refused our key.
. 2025-01-13 13:38:05.823 Server refused our key
. 2025-01-13 13:38:05.823 Server offered these authentication methods: publickey
. 2025-01-13 13:38:05.823 No supported authentication methods available (server sent: publickey)
. 2025-01-13 13:38:05.823 Attempt to close connection due to fatal exception:
* 2025-01-13 13:38:05.823 No supported authentication methods available (server sent: publickey)
. 2025-01-13 13:38:05.823 Closing connection.
< 2025-01-13 13:38:05.823 Script: No supported authentication methods available (server sent: publickey)
< 2025-01-13 13:38:05.823 Authentication log (see session log for details):
< 2025-01-13 13:38:05.823 Using username "*******".
< 2025-01-13 13:38:05.823 Server refused our key.
< 2025-01-13 13:38:05.823

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Topic review

Re: Server refused our key: No supported authentication methods available

Server refused our key: No supported authentication methods available

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