Upgrade from Plesk 9.x to Plesk 11.x and above fails: FATAL_ERROR: Unable to find Plesk 10.x, Plesk 11.x, or Plesk 12.x.

Created:

2016-11-16 13:17:53 UTC

Modified:

2017-08-16 18:33:43 UTC

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Upgrade from Plesk 9.x to Plesk 11.x and above fails: FATAL_ERROR: Unable to find Plesk 10.x, Plesk 11.x, or Plesk 12.x.

Applicable to:

  • Plesk 10.x for Linux
  • Plesk 12.0 for Windows
  • Plesk 12.0 for Linux

Symptoms

Upgrade from Plesk 9.x to Plesk 11.x and above fails with the error like as follows:

Parallels Panel pre-upgrade check...
FATAL_ERROR: Upgrading to Parallels Plesk 11.0.9 from Parallels Plesk
9.5.4 is not supported. Please upgrade to an earlier version (at least
10.4) before attempting to upgrade to Parallels Plesk 12.0.18.
FATAL_ERROR: Unable to find Plesk 10.x, Plesk 11.x, or Plesk 12.x.
Tool must be launched prior to upgrade to Parallels Plesk 11.0.9 for
the purpose of getting a report on potential problems with the upgrade.

Cause

Direct upgrade from Plesk 9.x to 11.x and above is not supported.

Resolution

According to release notes , Plesk supports upgrade from 9.x to 11.x and above trough transfer only.

To perform in-place upgrade from Plesk 9.x to Plesk 11.x or later, first upgrade your Plesk to version 10.4.4.

More information about Plesk upgrade is available in KB # 116078

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