Unable to start SSH session or migration: Failed getting banner

Created:

2016-11-16 12:46:55 UTC

Modified:

2017-04-24 11:20:02 UTC

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Unable to start SSH session or migration: Failed getting banner

Applicable to:

  • Plesk for Linux

Symptoms

The following error appears when trying to perform a migration:

Error: launchpad error (Error code = 2):
== STDERR ====================
Unable to start SSH session: Failed getting banner
==============================

Trying to connect to the server directly via SSH results in another error:

# ssh 67.228.177.126
ssh_exchange_identification: Connection closed by remote host

Cause

MaxStartups option is not enabled in /etc/ssh/sshd_config or not enough connections.

Resolution

Uncomment in /etc/ssh/sshd_config :

MaxStartups 50
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