Question : IIS Service Unavailable and W3SVC-WP 2274 event log error

When I try to access my default web site, I get a message Service Unavailable.
When I look at my application log, I'm getting the following:
ISAPI Filter 'C:\WINDOWS\Microsoft.NET\Framework\v2.0.50727\\aspnet_filter.dll' could not be loaded due to a configuration problem. The current configuration only supports loading images built for a AMD64 processor architecture. The data field contains the error number. To learn more about this issue, including how to troubleshooting this kind of processor architecture mismatch error, see http://go.microsoft.com/fwlink/?LinkId=29349.

I don't find anything helpful on that link.

I tried to uninstall and reinstall the .NET Framework 2.0 SP1, but it won't let me. I assume that's because of lots of dependencies (this is an Exchange 2007 server). Running the .netfixsp1 just tells me that that version is already there.

When I look at my application pools the default is running as a Network Service, and all other identies are Local Machine. The Default pool had to be manually started after a reboot.

I had installed the Blackberry Professional Software yesterday, although I think that didn't affect anything. It uses 1.1. However, I did uninstall it.

Everything was working fine until 0810 this morning. There was a msg that W3SVC finished restarting, and the above messages started appearing 4 minutes later.

Suggestions? Thanks.

Answer : IIS Service Unavailable and W3SVC-WP 2274 event log error

Perhaps this article will help you configure ASP.NET properl: http://support.microsoft.com/kb/894435
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