Sites Whitepage Error - ASP Mode

Created:

2016-12-12 03:42:31 UTC

Modified:

2017-08-16 17:07:08 UTC

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Sites Whitepage Error - ASP Mode

Applicable to:

  • Plesk 12.5 for Windows

Symptoms

  1. All websites are displaying blank pages.
  2. The errors like the following one in EventViewer:

    Exception message: The WebResource.axd handler must be registered in the configuration to process this request.
  3. Attempts to use plesk repair web -y tool results in all sites reporting :

    C:\\Inetpub\\vhosts\\example.com\\sub.example.com\\web.config
    Error: Cannot read configuration file
  4. If change application pool for each site to use "classic" mode rather than "integrated", sites begin opening fine.

Cause

.NET 2.0 handler has been added manually in Internet Information Services (IIS) on server level for *. at almost top of Handler Mapping ordered list.

image

Resolution

Remove this handler in Handler Mappings settings on the server level and add to Handler Mappings for webstite which require it.

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