iis8.5 displays ASP's detailed error message 500 internal server error resolution

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 error to browser to True, and click apply to the right to save the Settings.

Then double-click to open the "error page" property page, then click "edit function Settings" on the right and select "detailed error (D)" \

Finally, you need to check "show friendly HTTP error messages" in the local IE "Internet options" to display detailed ASP error messages.

The rest is up to everyone.