Issue with ASP.NET 1.1 Sites on Windows 2003

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I'm in the process of moving most of our ASP.NET web sites to a new Windows
2003 server. After setting up the server .NET 2.0 was already enabled in IIS,
..NET 1.1 was not, so I enabled it by running aspnet_regiis. My .NET 2.0 apps
work fine but the 1.1 apps will not run (I created a separate pool for them).
If I try to access them on the same machine I get the following error:

HTTP Error 401.1 - Unauthorized: Access is denied due to invalid credentials.
Internet Information Services (IIS)

If I try to access them on my machine I get this error:

HTTP Error 404 - File or directory not found.
Internet Information Services (IIS)

Any ideas?

Thanks,
David

======================================
David McCarter [Microsoft MVP]
www.dotNetTips.com
David McCarter''''s .NET Coding Standards available at:
http://www.cafepress.com/geekmusicart.1654787045