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Article 2711

Algorithm negotiation failed

Problem

Algorithm negotiation failed.

HRESULT error: FTPLIB_E_SSH_NEGOTIATION (0x80043122)

Cause

The key exchange failed because the client was unable to negotiate a key exchange, encryption, mac, compression or server algorithm with the server.

Solution

  • Enable connection logging
  • Locate the connection log file in the log folder: %localappdata%\SmartFTP\Client 2.0\Log\Connection 
  • Open a support ticket: menu: File - Help - Request Support
  • Attach the .log file to the support email

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