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Migration fails with the "Some fields are empty or contain an improper value." message.

Article ID: 5271 
Last Review: May,22 2008
APPLIES TO:
  • Plesk 8.x for Linux/Unix

SYMPTOMS

Plesk Migration Manager returns the error:

"Error: Some fields are empty or contain an improper value."

supervisor.log on the destination server contains the error message like below:

2006-12-29 14:44:18,548 ERROR Validation failed:
Element 'wrong-platform-message': This element is not expected.

/var/log/messages on the source server contains the error message from ssh
daemon like this one:

Dec 29 11:39:03 srv sshd[14861]: error: no more sessions

CAUSE

This problem is caused by the  bug in OpenSSH that was fixed since OpenSSH 4.4p1 version.

RESOLUTION

The are two solutions for this problem:

- upgrade OpenSSH on the destination Plesk server to version 4.4p1 or higher.

or

- Migrate data to Plesk server manually as described in this article.

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