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Article ID: 126213, created on Jul 15, 2015, last review on Jul 15, 2015

  • Applies to:
  • Plesk Automation 11.5


Cannot change the settings of domain. The error 504 is thrown:

Internal error.
504 Gateway Time-out


The plesk-agent executes another task (most probably backup or migration) on the service node and does not respond the PA requests to change the hosting settings.

The plesk-agent runs in single-thread mode can process only one request at the same time. Other requests will not be responded.

The behavior is caused by software issue #PPA-2138. The fix is included in MU #10.


Update PA to the latest version:

/usr/local/ppa/bin/ppa_update --install-updates

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