The method is as follows:
Open Internet Information Services (IIS) Manager (Run - inetmgr), then double-click "ASP" to open the property page,
(Internet Information Services (IIS) Manager)
Then expand "Debug Properties", change the value of "Send errors to the browser" to "True", and then click "Apply" on the right to save the settings.
Then double-click to open the "Error Page" property page, then click "Edit Function Settings" on the right, select "Detailed Error (D)"
Finally, you need to open the "Internet" of the local IE In Options", check off "Show friendly HTTP error messages" so that detailed error messages from ASP can be displayed.
With detailed error information, you will be able to know where the fault occurred, and it will be much easier to solve. For safety reasons, remember to change the IIS settings back to the default after solving the fault!
Update IIS7.5 displays the detailed error message of ASP "500 - Internal Server Error Resolution" for related articles, please pay attention to the PHP Chinese website!