Overview

This Support article describes how to display detailed error messages for a website to debug ASP script errors. If you're seeing the standard IIS 500 error message, this guide will help display the errors which may be causing it.

Two settings need to be changed in IISSend Errors To Browser and Allow Detailed Errors for Remote Requests

Instructions

  1. RDP to Windows VPS with administrator credentials
  2. Navigate to Start > Administrative Tools > IIS Manager > Sites > Domain.tld 
    Domain.tld
     is the website you need to enable detailed errors
  3. In the Right-hand panel, Double click ASP
    Plesk Windows 500 Internal Server Error
  4. Under Debugging Properties, change Send Errors To Browser from False to True > Apply.
    Plesk Windows 500 Internal Server Error
  5. To enable Allow Detailed Errors for Remote Requests.
    Double click on Error Pages:
    Plesk Windows 500 Internal Server Error
  6. Click on Edit Features Settings:
    Plesk Windows 500 Internal Server Error
  7. A popup window will appear > Select the radio button Detailed ErrorsOK. 
    Plesk Windows 500 Internal Server Error
     

Note: It recommended to only to enable Detailed Errors to Browser when in development or debugging errors. For production systems, it should remained disabled at all other times.

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