How to fix subsystem request failed on channel 0
16 days ago
- #OpenSSH
- #scp
- #sftp
- Error 'subsystem request failed on channel 0' occurs when using scp due to OpenSSH version 9 defaulting to sftp protocol.
- The error happens because some hosts only support the original scp protocol, not sftp.
- Use the '-O' parameter with scp to force the original scp protocol and successfully transfer files.