SFTP subsystem request failed
Why SFTP subsystem requests fail and how to configure SSH servers correctly.
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This error occurs when the SSH server does not have the SFTP subsystem configured.
Common causes
- SFTP subsystem not enabled in sshd_config
- Incorrect path to sftp-server
- SSH server misconfiguration
Fix checklist
- Verify Subsystem sftp entry in sshd_config.
- Restart the SSH service.
- Ensure sftp-server binary exists.
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Related
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- SFTP authentication failed — Why SFTP authentication fails and how to fix password or SSH key issues.
- SFTP key authentication required — Why SFTP servers require SSH key authentication and how to configure keys correctly.
- Authentication failed — Why FTP/SFTP authentication fails and how to correct credential, key, and account policy issues.
- SFTP directory listing failed — Why SFTP connects but cannot list directories, and how to fix path, permissions, and chroot issues.
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