Migration cannot be started: SSL routines SSL3_GET_SERVER_CERTIFICATE certificate verify failed

Created:

2016-11-16 13:26:14 UTC

Modified:

2017-08-08 13:19:15 UTC

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Migration cannot be started: SSL routines SSL3_GET_SERVER_CERTIFICATE certificate verify failed

Applicable to:

  • Plesk 12.5 for Windows

Symptoms

Unable to start migration:

    Try to connect to panel migrator transfer agent at 203.0.113.2:10155
SSL is enabled for agent at '203.0.113.2'. Agent keys and certificates:
SSL client key: C:\\Program Files (x86)\\Parallels\\Plesk\\var\\modules\\panel-migrator\\rpc-agent\\certificates\\migration-node.key
SSL client certificate: C:\\Program Files (x86)\\Parallels\\Plesk\\var\\modules\\panel-migrator\\rpc-agent\\certificates\\migration-node.crt
SSL server certificate: C:\\Program Files (x86)\\Parallels\\Plesk\\var\\modules\\panel-migrator\\rpc-agent\\certificates\\source-node.crt
SSLError: [Errno 1] _ssl.c:504: error:14090086:SSL routines:SSL3_GET_SERVER_CERTIFICATE:certificate verify failed

Cause

Outdated rpc-agent version on source server

Resolution

Download rpc-agent from the destination server, and transfer it to the source server:

  • Remove all contents from C:\\panel_migrator\\rpc-agent folder on the source server
  • Copy-paste run-panel-migrator-rpc-agent.exe file from C:\\Program Files (x86)\\Parallels\\Plesk\\var\\modules\\panel-migrator\ hirdparties\\ directory on the destination server to C:\\panel_migrator\\rpc-agent folder on the source server
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