Private key works in GUI but not console

"c:\Program Files (x86)\WinSCP\WinSCP.exe"  "/console" "open USER@HOST.com" "-privatekey=G:\Documents\Key2.ppk"

. 2014-04-04 08:08:48.370 --------------------------------------------------------------------------
. 2014-04-04 08:08:48.371 WinSCP Version 5.5.2 (Build 4130) (OS 6.1.7601 Service Pack 1 - Windows 7 Professional)
. 2014-04-04 08:08:48.371 Configuration: HKEY_CURRENT_USER\Software\Martin Prikryl\WinSCP 2\
. 2014-04-04 08:08:48.371 Local account: RENTECH\prussell
. 2014-04-04 08:08:48.371 Working directory: c:\
. 2014-04-04 08:08:48.371 Process ID: 9384
. 2014-04-04 08:08:48.371 Command-line: "c:\Program Files (x86)\WinSCP\WinSCP.exe" "/console" "open USER@HOST.com" "-privatekey=G:\Documents\Key2.ppk"
. 2014-04-04 08:08:48.371 Time zone: Current: GMT-5, Standard: GMT-6 (Central Standard Time), DST: GMT-5 (Central Daylight Time), DST Start: 3/9/2014, DST End: 11/2/2014
. 2014-04-04 08:08:48.371 Login time: Friday, April 04, 2014 8:08:48 AM
. 2014-04-04 08:08:48.372 --------------------------------------------------------------------------
. 2014-04-04 08:08:48.372 Script: Retrospectivelly logging previous script records:
< 2014-04-04 08:08:48.372 Script: Opening session using command-line parameter in scripting is deprecated. Use 'open' command instead.
. 2014-04-04 08:08:48.372 --------------------------------------------------------------------------
. 2014-04-04 08:08:48.372 Session name: open USER@HOST.com (Modified site)
. 2014-04-04 08:08:48.372 Host name: HOST.com (Port: 22)
. 2014-04-04 08:08:48.372 User name: open USER (Password: No, Key file: Yes)
. 2014-04-04 08:08:48.372 Tunnel: No
. 2014-04-04 08:08:48.372 Transfer Protocol: SFTP (SCP)
. 2014-04-04 08:08:48.372 Ping type: -, Ping interval: 30 sec; Timeout: 15 sec
. 2014-04-04 08:08:48.372 Proxy: none
. 2014-04-04 08:08:48.372 Send buffer: 262144
. 2014-04-04 08:08:48.372 SSH protocol version: 2; Compression: No
. 2014-04-04 08:08:48.372 Bypass authentication: No
. 2014-04-04 08:08:48.372 Try agent: Yes; Agent forwarding: No; TIS/CryptoCard: No; KI: Yes; GSSAPI: No
. 2014-04-04 08:08:48.372 Ciphers: aes,blowfish,3des,WARN,arcfour,des; Ssh2DES: No
. 2014-04-04 08:08:48.372 SSH Bugs: A,A,A,A,A,A,A,A,A,A
. 2014-04-04 08:08:48.372 Simple channel: Yes
. 2014-04-04 08:08:48.372 Return code variable: Autodetect; Lookup user groups: A
. 2014-04-04 08:08:48.372 Shell: default
. 2014-04-04 08:08:48.372 EOL: 0, UTF: 2
. 2014-04-04 08:08:48.372 Clear aliases: Yes, Unset nat.vars: Yes, Resolve symlinks: Yes
. 2014-04-04 08:08:48.372 LS: ls -la, Ign LS warn: Yes, Scp1 Comp: No
. 2014-04-04 08:08:48.372 SFTP Bugs: A,A
. 2014-04-04 08:08:48.372 SFTP Server: default
. 2014-04-04 08:08:48.372 Local directory: default, Remote directory: home, Update: Yes, Cache: Yes
. 2014-04-04 08:08:48.372 Cache directory changes: Yes, Permanent: Yes
. 2014-04-04 08:08:48.372 DST mode: 1; Timezone offset: 0h 0m
. 2014-04-04 08:08:48.372 --------------------------------------------------------------------------
. 2014-04-04 08:08:48.372 Looking up host "HOST.com"
. 2014-04-04 08:08:48.376 Connecting to xxx.xxx.xxx.xxx port 22
. 2014-04-04 08:08:48.465 Server version: SSH-2.0-OpenSSH_5.2
. 2014-04-04 08:08:48.465 Using SSH protocol version 2
. 2014-04-04 08:08:48.465 We claim version: SSH-2.0-WinSCP_release_5.5.2
. 2014-04-04 08:08:48.507 Doing Diffie-Hellman group exchange
. 2014-04-04 08:08:48.629 Doing Diffie-Hellman key exchange with hash SHA-256
. 2014-04-04 08:08:49.305 Verifying host key rsa2 XXXXXXXXXXXXXXXXXXX

with fingerprint ssh-rsa 1024 XXXXXXXXXXXXXXXXX
. 2014-04-04 08:08:49.305 Host key matches cached key
. 2014-04-04 08:08:49.305 Host key fingerprint is:
. 2014-04-04 08:08:49.305 ssh-rsa 1024 XXXXXXXXXXXXXXXXXXXXX
. 2014-04-04 08:08:49.305 Initialised AES-256 SDCTR client->server encryption
. 2014-04-04 08:08:49.305 Initialised HMAC-SHA1 client->server MAC algorithm
. 2014-04-04 08:08:49.305 Initialised AES-256 SDCTR server->client encryption
. 2014-04-04 08:08:49.305 Initialised HMAC-SHA1 server->client MAC algorithm
. 2014-04-04 08:08:49.426 Reading private key file "G:\Documents\Loading\Key2.ppk"
. 2014-04-04 08:08:49.428 Pageant is running. Requesting keys.
. 2014-04-04 08:08:49.429 Pageant has 1 SSH-2 keys
. 2014-04-04 08:08:49.429 Pageant key #0 matches configured key file
! 2014-04-04 08:08:49.429 Using username "open USER".
. 2014-04-04 08:08:49.473 Trying Pageant key #0
. 2014-04-04 08:08:49.514 Server refused our key
. 2014-04-04 08:08:49.514 Attempting keyboard-interactive authentication
. 2014-04-04 08:08:49.557 Prompt (6, SSH server authentication, Using keyboard-interactive authentication., Password: )
. 2014-04-04 08:08:53.923 Disconnected: Unable to authenticate

martin wrote:

Your command-line syntax is completely wrong.
Please read:
https://winscp.net/eng/docs/guide_automation

BD98037 wrote:

I got the same issue: Private key works in the GUI but not console. I'm attaching the screenshot. Would you please take a look and advise?