A component of Internet Information Server (IIS) version 4 that enables easy debugging of Active Server Pages (ASP) applications, regardless of the script language they are written in. You can use Microsoft Script Debugger to debug both client-side and server-side scripts written using Microsoft Visual Basic, Scripting Edition (VBScript); Jscript; REXX; or Perl.
You can perform the following tasks:
You can debug only scripts that are running on the local Web server, not on a remote server.
Do not use Script Debugger on a production system because it interrupts the execution of the script if an error occurs. Copy your scripts to a test system and debug them from there.