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Knowledge Base

Plesk and websites shows 503 Service Unavailable: The process exit code was 0xc0000022

 
goplesk 12 5 for windowsplesk onyx for windowssecuritysupport

Symptoms

  • Plesk and websites show the following error:

    503 Service Unavailable.

  • The following can be found in Event Viewer > System :

    Application pool 'AppPoolName' is being automatically disabled due to a series of failures in the process(es) serving that application pool.

    And the message with the following error code:

    AppPool(name) terminated unexpectedly. (process ID). The process exit code was 0xc0000022

  • Application pools for these websites crashes only if Enable 32-Bit Applications in Advanced Settings is set as True

Cause

Incorrect system permissions.

Resolution

Check permissions for C:Windows or C:Program Files (x86)IIS directory:

  1. Open Windows Explorer

  2. Go to C:Windows or C:Program Files (x86)IIS.

  3. Right click on Windows folder and go to Properties > Security

  4. Check that Users (domainUsers) group exists with correct permissions like on the screenshot:

    image

  5. Also, check that there are no Deny rules for psaadm , psacln , psaserv users.

  6. If the issue persists, Use Process Monitor utility with filter by Access Denied.

Permissions can be given to psaadm, psaacln and psaaserv to the entire C:Windows directory with the following commands:

C:> cacls C:Windows*.* /E /T /C /R "psacln"
cacls C:Windows*.* /E /T /C /R "psaadm"
cacls C:Windows*.* /E /T /C /R "psaserv"

Replace drive C: with drive name in question.

Contact Plesk technical support if it did not help.

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