ERRMSG: IIS Error 500.19 returned by MailMarshal (SEG) 10.X websites

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This article applies to:

  • Trustwave MailMarshal (SEG) 10.X
  • Console and Configuration Service websites


  • IIS Error 500.19 (error code 0x8007000d) returned by websites


  • This issue can be caused by corruption in the web.config file for the IIS installation


To resolve the issue:

  1. Reinstall .NET Core Runtime Hosting
    • For SEG 10.0.0: version 2.2.3 
    • For SEG 10.0.1: version 3.1.8 
  2. Restart IIS

For .NET downloads, see the external links below.

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