in C#/Powershell - Is it possible to change the Idle TimeOut for an IIS Application Pool?

Question

I want to disable the idle timeout (Set it to Zero) of an application pool and I want to perform this at setup time, is it possible to perform this action from C# or PowerShell?

Answer 1

Here is a complete Powershell sample showing how to create an application pool (for ASP.NET Core) and set many of its values:

Import-Module WebAdministration

$appPoolName     = "MyWebPool"
$appPoolFullName = "IIS:\AppPools\$appPoolName"

if(!(Test-Path $appPoolFullName)) {
    New-WebAppPool $appPoolName -Force

    Set-ItemProperty $appPoolFullName -Name managedPipelineMode -Value Integrated
    Set-ItemProperty $appPoolFullName -Name managedRuntimeVersion -Value "" # means "No Managed Code"
    Set-ItemProperty $appPoolFullName -Name startMode -Value AlwaysRunning

    $3_days = New-TimeSpan -Days 3
    Set-ItemProperty $appPoolFullName -Name processModel.idleTimeout -Value $3_days
    Set-ItemProperty $appPoolFullName -Name processModel.identityType -Value NetworkService
    Set-ItemProperty $appPoolFullName -Name processModel.idleTimeoutAction -Value Suspend

    $zero_ts = New-TimeSpan
    Set-ItemProperty $appPoolFullName -Name recycling.periodicRestart.time -Value $zero_ts
}