I;ve recently switched IIS6 to 32 bit mode and none of my sites (framework 2.0 and 4.0 ) are running now. it says "Service Unavailable"
Here is what I've done:
followed the steps from : http://support.microsoft.com/kb/934162
Answer: (1) Convert the 64bit w2k3 to 32 using above article. (2) aspnet_regiis -i for .net 2.0 and 4.0 both (3) restart (4) you will notice website properties in IIS will not have ASP.NET TAB (5) download iis6 utility to change .net framework version (6) configure reporting server and set the websites for the same to asp.net 2.0 (7) all is done well and working fine