Ho affrontato lo stesso problema su Windows 10, risolto con il suggerimento di ljsg. In console con privilegi elevati (Esegui come amministratore):
cd %SYSTEMROOT%\System32\Inetsrv\Config copy *.clean.install *. ren *.config *.back ren *.config.clean *. @powershell -Command "Disable-WindowsOptionalFeature -Online –All -FeatureName @('IIS-ApplicationDevelopment','IIS-ApplicationInit','IIS-ASP','IIS-ASPNET','IIS-ASPNET45','IIS-BasicAuthentication','IIS-CertProvider','IIS-CGI','IIS-ClientCertificateMappingAuthentication','IIS-CommonHttpFeatures','IIS-DefaultDocument','IIS-DigestAuthentication','IIS-DirectoryBrowsing','IIS-FTPServer','IIS-FTPSvc','IIS-HealthAndDiagnostics','IIS-HostableWebCore','IIS-HttpCompressionDynamic','IIS-HttpCompressionStatic','IIS-HttpErrors','IIS-HttpLogging','IIS-HttpRedirect','IIS-HttpTracing','IIS-IIS6ManagementCompatibility','IIS-IISCertificateMappingAuthentication','IIS-IPSecurity','IIS-ISAPIExtensions','IIS-ISAPIFilter','IIS-LegacyScripts','IIS-LegacySnapIn','IIS-LoggingLibraries','IIS-ManagementConsole','IIS-ManagementScriptingTools','IIS-ManagementService','IIS-Metabase','IIS-NetFxExtensibility','IIS-NetFxExtensibility45','IIS-Performance','IIS-RequestFiltering','IIS-RequestMonitor','IIS-Security','IIS-ServerSideIncludes','IIS-StaticContent','IIS-URLAuthorization','IIS-WebDAV','IIS-WebServer','IIS-WebServerManagementTools','IIS-WebServerRole','IIS-WebSockets','IIS-WindowsAuthentication','IIS-WMICompatibility','WCF-HTTP-Activation','WCF-HTTP-Activation45','WCF-NonHTTP-Activation','WCF-Pipe-Activation45','WCF-Services45','WCF-TCP-Activation45','WCF-TCP-PortSharing45','WAS-ConfigurationAPI','WAS-NetFxEnvironment','WAS-ProcessModel','WAS-WindowsActivationService')"
quindi riavviare, e seguono con:
@powershell -Command "Enable-WindowsOptionalFeature -Online –All -FeatureName @('IIS-ApplicationDevelopment','IIS-ApplicationInit','IIS-ASP','IIS-ASPNET','IIS-ASPNET45','IIS-BasicAuthentication','IIS-CertProvider','IIS-CGI','IIS-ClientCertificateMappingAuthentication','IIS-CommonHttpFeatures','IIS-DefaultDocument','IIS-DigestAuthentication','IIS-DirectoryBrowsing','IIS-FTPServer','IIS-FTPSvc','IIS-HealthAndDiagnostics','IIS-HostableWebCore','IIS-HttpCompressionDynamic','IIS-HttpCompressionStatic','IIS-HttpErrors','IIS-HttpLogging','IIS-HttpRedirect','IIS-HttpTracing','IIS-IIS6ManagementCompatibility','IIS-IISCertificateMappingAuthentication','IIS-IPSecurity','IIS-ISAPIExtensions','IIS-ISAPIFilter','IIS-LegacyScripts','IIS-LegacySnapIn','IIS-LoggingLibraries','IIS-ManagementConsole','IIS-ManagementScriptingTools','IIS-ManagementService','IIS-Metabase','IIS-NetFxExtensibility','IIS-NetFxExtensibility45','IIS-Performance','IIS-RequestFiltering','IIS-RequestMonitor','IIS-Security','IIS-ServerSideIncludes','IIS-StaticContent','IIS-URLAuthorization','IIS-WebDAV','IIS-WebServer','IIS-WebServerManagementTools','IIS-WebServerRole','IIS-WebSockets','IIS-WindowsAuthentication','IIS-WMICompatibility','WCF-HTTP-Activation','WCF-HTTP-Activation45','WCF-NonHTTP-Activation','WCF-Pipe-Activation45','WCF-Services45','WCF-TCP-Activation45','WCF-TCP-PortSharing45','WAS-ConfigurationAPI','WAS-NetFxEnvironment','WAS-ProcessModel','WAS-WindowsActivationService')"
..di caratteristiche del corso per l'installazione devono essere regolati in base alle esigenze.