Migration fails: 10054 An existing connection was forcibly closed by the remote host

Created:

2016-11-16 13:00:27 UTC

Modified:

2017-08-08 13:21:45 UTC

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Migration fails: 10054 An existing connection was forcibly closed by the remote host

Applicable to:

  • Plesk 12.5 for Windows

Symptoms

  1. Migration failed:

    [ERROR] Failed to perform action: Fetch information from target servers 
    Cause: <urlopen error [Errno 10054] An existing connection was forcibly closed by the remote host>
    PleskConnectionCheckError: Failed to connect to target Plesk server by Plesk API: <urlopen error>
    That is a critical error, migration was stopped.
  2. The following error appears in GUI:

    Unable to check the ability to migrate the selected domains. The migration of these domains will likely be blocked. Refer to logs for details: download the info log, download the debug log.`
  3. The following error appears in Event Viewer > Windows Logs > System :

    A fatal alert was generated and sent to the remote endpoint. This may result in termination of the connection. The TLS protocol defined fatal error code is 20. The Windows SChannel error state is 960.
  4. Operating system on a target server is Windows Server 2012 R2.

Cause

This is a bug with ID PMT-2988 , which was fixed in Plesk Migrator 1.14.4.

Resolution

Update Plesk Migrator to the latest available version.

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