<p>Our groups legacy ASP 3.0 web apps were able to take advantage of a global error file by setting up a custom error file within IIS's Custom Error's tab.  I'm unable to find a similar solution for ASP.NET apps.  </p>

<p>Does anyone know if there is a way to have a centralized "Error.aspx" page (for example) that will trap errors for an entire application pool?  The objective is to avoid adding custom code to each app's Global error handler ....</p>

<p>Any guidance is greatly appreciated!</p>

You can add the
```
<customErrors defaultRedirect="[url]"></customErrors>
```
tag to your web.config or even up to your machine.config to redirect to a custom error page.  The custom errors tag also suppors multiple  subelements that can be used to define custom errors.
Just remember when editing the machine.config file, it will affect all the applications on that machine.