Restore configuration fails Error while trying to connect session or to get sftp channel to fileserver, port: 22, (Error code: 29258)

Products

• VMware NSX

Issue/Introduction

Symptoms:

• Unable to take backup when using SFTP server, where "keyboard-interactive" authentication is enabled but "password" authentication is disabled.
• Customer is unable to take backup when using SFTP server

Environment

VMware NSX-T
VMware NSX-T 2.5.x

Resolution

The resolution is included in NSX-T data center versions 2.5.2 and 3.0.2.

Workaround:
To workaround the issue, use an Ubunutu based server as the SFTP server.
Other options would be to enable "password" authentication and/or disable "keyboard-interactive" authentication.

Additional Information

Impact/Risks:

• User can't use CentOS as an SFTP server for Grindcore 3.0.0 and 3.0.1.