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  1. Home
  2. NetBackup™ Status Codes Reference Guide
  3. NetBackup status codes
  4. NetBackup status codes
  5. NetBackup status code: 6437
NetBackup™ Status Codes Reference Guide

NetBackup status code: 6437

Message: Failed to establish SSH session with host.

Explanation: Failed to establish SSH session with host.

Recommended Action: Retry the operation after verification of all the following criteria are satisfied:

  • Verify that aes256-ctr is the supported cipher used for communication. Verify that both the recovery host and the target host support this cipher.

  • Verify at least one of the following HMAC protocols are supported on both recovery host and target host: hmac-sha2-256, hmac-sha2-512.

  • Verify that the method that is used for generating the host key is one of the following:

    • ECDSA_SHA2_NISTP256

    • ECDSA_SHA2_NISTP384

    • ECDSA_SHA2_NISTP521

    • SSH_RSA

    • SSH_DSS

Click here to view technical notes and other information on the Cohesity Technical Support website about this status code.

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