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Authentication failures

  1. Username — is the profile’s username correct for this server?
  2. Method — does the server allow the method you’re using? Many cloud images disable password login entirely; use a key instead.
  3. Key — is the right private key selected, and does its public half exist in the server’s ~/.ssh/authorized_keys?
  4. Passphrase — if the key has a passphrase, is the stored passphrase current?
  5. Biometric prompt — a protected key requires Touch ID / Face ID at connect time; a cancelled prompt fails authentication.

If the connection is blocked before a password/key prompt, that’s host key verification protecting you — the server’s fingerprint changed. Verify with the server admin before trusting the new key.

Contact support with the exact error message shown.