Calling LoadLibraryEx on ISAPI filter C:\\Plesk\\isapi\\urlprotect.dll failed

Created:

2016-11-16 12:45:45 UTC

Modified:

2017-04-24 11:12:25 UTC

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Calling LoadLibraryEx on ISAPI filter C:\\Plesk\\isapi\\urlprotect.dll failed

Applicable to:

  • Plesk 12.5 for Linux
  • Plesk 11.0 for Windows
  • Plesk 11.5 for Windows
  • Plesk 12.0 for Windows

Symptoms

The domain loads with the error:

    Calling LoadLibraryEx on ISAPI filter "C:\\Program Files (x86)\\Parallels\\Plesk\\isapi\\urlprotect.dll" failed

Cause

Domain's application pool does not support 32 applications.

Resolution

  1. Open IIS->domains , find your domain name and name of application pool that domain uses.
  2. Make sure that "Enable 32-Bit Applications" is enabled in IIS->Application pool->domain's application pool->Advanced settings .
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