Article ID: 113870, created on May 12, 2012, last review on Feb 16, 2015

  • Applies to:
  • Plesk for Linux/Unix


Migration is failing at different points, with all prerequisites for migration met and it does not appear that there is a single account which is causing the issue. Network troubleshooting revealed no reason for such behavior - there are no dropped / retransmitted packets noted.

While performing a normal secure copying (SCP) for files of 10M, 100M and 1000M size works without issue. Additionally, disabling firewall on both sides did not help at all.


Check the configuration of sshd daemon on the source and destination hosts.

We recommend you to comment the following lines in /etc/ssh/sshd_config:
TCPKeepAlive yes
ClientAliveInterval 3
ClientAliveCountMax 10

After commenting them out restart sshd service and re-initiate the migration.

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