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Article ID: 117915, created on Oct 12, 2013, last review on Jul 14, 2018

  • Applies to:
  • Plesk Automation 11.1
  • Plesk Automation 11.5


  1. I created a new subscription based on Internet Information Services (IIS) hosting, but the task Creating web hosting services failed with the following error:

    Last execution output Connection problem: Please check the PPA system log /usr/local/ppa/log/plesk.log for details.
  2. In /usr/local/ppa/log/plesk.log, the following error is shown:

    Releasing semaphore 18 in request cleanup
    (mod_fastcgi.c.2746) FastCGI-stderr: PHP Fatal error:  Call to undefined function get_key_prop() in /usr/local/psa/admin/plib/PHostingManager/IIS.php on line 1323


This error occurs if ColdFusion support is enabled on the Windows Service Node. This is considered a software issue and was fixed in Parallels Plesk Automation (PPA) 11.5 UPDATE #02. The internal request ID is PPA-199.


PPA 11.5:

Make sure that PPA 11.5 UPDATE #02 is installed.

PPA versions before 11.5:

  1. On the Management Node, create a backup of the original file below:

  2. Download the fix for your PPA version and replace the above file:

    PPA 11.1

  3. Re-run the failed task.

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