IIS troubleshouting

"cannot be used at this path ... modules runAllManagedModulesForAllRequests="true"".ps1

Import-Module WebAdministration

Set-WebConfiguration `
  -Filter "/System.webServer/modules" `
  -Metadata overrideMode `
  -Value Allow `
  -PSPath "IIS:\"

choco_net.ps1

choco install dotnetcore-windowshosting
choco install mssqlserver2014-sqllocaldb

dirty_install_all_iis_features.ps1

import-module servermanager
add-windowsfeature web-server -includeallsubfeature

net_framework_versions.ps1

Get-ChildItem 'HKLM:\SOFTWARE\Microsoft\NET Framework Setup\NDP' -recurse |
Get-ItemProperty -name Version,Release -EA 0 |
Where { $_.PSChildName -match '^(?!S)\p{L}'} |
Select PSChildName, Version, Release

web.config

<system.webServer>
   <httpErrors errorMode="Detailed" />
   <asp scriptErrorSentToBrowser="true"/>
</system.webServer>

https://elmah.github.io/a/mvc/
<configuration>
    <configSections>
        …
        <sectionGroup name="elmah">
            <section name="security" type="Elmah.SecuritySectionHandler, Elmah" />
        </sectionGroup>
        …
    </configSections>
    <elmah>
        <security allowRemoteAccess="yes" />
    </elmah>
    …
</configuration>