Plesk Panel site shows error: 503 Service Unavailable

Refers to:

  • Plesk 11.5 for Windows
  • Plesk 12.0 for Windows
  • Plesk 12.5 for Windows
  • Plesk 9.x and below for Windows

Created:

2016-11-16 12:47:21 UTC

Modified:

2016-12-21 19:13:03 UTC

0

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Plesk Panel site shows error: 503 Service Unavailable

Symptoms

Plesk Panel site shows error: 503 Service Unavailable. In Event Viewer, the following error may appear:

    The worker process for application pool 'PleskControlPanel' encountered an error 'Cannot read configuration file ' trying to read configuration data from file '\\\\?\\<EMPTY>', line number '0'.  The data field contains the error code.

Cause

Plesk configuration file PleskControlPanel.config is corrupted in C:\\inetpub\ emp\\appPools\\PleskControlPanel .

Resolution

  1. Rename PleskControlPanel.config in C:\inetpub\ emp\appPools\PleskControlPanel.

  2. Use Plesk Reconfigurator->Repair Plesk Installation->Check Plesk Services .

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