404 errors on IIS6 with ASP.NET 4 Beta 2

After installing Visual Studio 2010 and .NET framework 4 on Windows Server 2003 (IIS6) I was getting nothing but 404 errors.
Turns out .NET 4 had somehow been disabled in the IIS metabase.

Here’s the comment I posted to server fault:

Check the metabase.xml file … is there a ‘1’ at the start of the line for Framework\V4.0.21006 in WebSvcExtRestrictionList?

I had the same problem and setting it to ‘1’ (enabled) cured the problem. ASP.NET 4.0 Beta 1 did not have this problem. The problem only appeared on install of ASP.NET 4.0 Beta 2.

Here’s what it looked like BEFORE fixing the problem:

WebSvcExtRestrictionList=" 0,C:\SERVER\system32\inetsrv\httpodbc.dll, 0,HTTPODBC,Internet Data Connector 0,C:\Perl\bin\perlis.dll,1,,Perl ISAPI Extension 0,C:\SERVER\system32\inetsrv\httpext.dll,0,WEBDAV,WebDAV 0,C:\Perl\bin\PerlEx30.dll,1,,PerlEx ISAPI Extension 0,C:\Perl\bin\perl.exe "%s" %s,1,,Perl CGI Extension 1,C:\SERVER\system32\inetsrv\asp.dll,0,ASP,Active Server Pages 1,C:\SERVER\Microsoft.NET\Framework\v2.0.50727\aspnet_isapi.dll,0,ASP.NET v2.0.50727,ASP.NET v2.0.50727 0,*.exe 0,*.dll 0,C:\SERVER\system32\inetsrv\ssinc.dll,0,SSINC,Server Side Includes 0,C:\SERVER\Microsoft.NET\Framework\v4.0.21006\aspnet_isapi.dll,0,ASP.NET v4.0.21006,ASP.NET v4.0.21006" 

And here’s an easier way to change that setting:


Thu Oct 22 2009 04:42:00 GMT-0700 (Pacific Daylight Time)

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