ASP.net service application unavailable Solution

The main cause is asp. Net has been installed in advance, and iis was installed later. Therefore, you need to associate. net with iis. This is what I think, right.
This is also because the website is placed on the desktop. This can also generate such errors.
 

Aspnet_regiis-u uninstall
 

Reinstall
You can enter iisreset in the operation to restart iis.
If the html page cannot be browsed, use the permission Wizard to reconfigure it.
To access the system event viewer, choose "Control Panel"> "Administrative Tools"> "Event Viewer"> "application" to view the error.
 
Execute “aspnet_regiis.exe-ua to uninstall all versions of ASP.net on IIS.
5. Execute unzip aspnet_regiis.exe-I "and reinstall ASP.net to IIS.
6) Run "net start w3svc" to start IIS
 



From Shi Hongxing