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

If you are using PowerShell 2 or later, you should have access to Set-ItemProperty. You'll also want to load the WebAdministration module.

You can then do (example taken from here)

Set-ItemProperty ("IIS:\AppPools\$name") -Name processModel.idleTimeout -value ( [TimeSpan]::FromMinutes(0))

and verify that the value was changed with

Get-ItemProperty ("IIS:\AppPools\$name") -Name processModel.idleTimeout.value

Answer 2

Get Application Pool Configuration (For Reference)

$appPoolName = 'MyAppPoolName'
$appPoolPath = '/system.applicationHost/applicationPools/Add[@name="' + $appPoolName + '"]//.'
Get-WebConfiguration $appPoolPath -PSPATH iis:

Set Application Pool Idle Timeout

$appPoolName = 'MyAppPoolName'
$appPoolPath = '/system.applicationHost/applicationPools/Add[@name="' + $appPoolName + '"]/processModel'
Set-WebConfigurationProperty $appPoolPath -Name idleTimeout -value ([TimeSpan]::FromMinutes(0)) -PSPATH iis:

Answer 3

When using powershell use the following:

$appPoolName = "xxxAppPool"
&"$env:windir\system32\inetsrv\appcmd" set APPPOOL $appPoolName /processModel.idleTimeout:0.00:00:00

Answer 4

I use the following function to generically grab an app pool object:

$query = "Select * From IIsApplicationPoolSetting WHERE WAMUserName LIKE '%$uServer'"
$query
$pools = Get-WmiObject -Authentication 6 -ComputerName $server -Query $query -Namespace 'root/microsoftiisv2' 
if ($pools)
{
    foreach ($pool in $pools)
    {
        Write-Host("    WAM Pool: " + $pool.Name + ", " + $pool.WAMUserName + " (" + $pool.WAMUserPass + ")")
    }
}

And from an unrelated piece of code, here's where I place a site in a new App Pool. It's just an example how to use Set-WMIInstance.

if ($site.AppPoolID -ne $poolID)
{
    # Write-Host("Updating $($site.Name) from $($site.AppPoolID) to $($poolID)")
    $wmiArgs = @{"AppPoolID"=$poolID}

    [void](Set-WMIInstance -InputObject $site -Arguments $wmiArgs)
} else {
    # Write-Host("No update needed")
}

Use Get-Member to learn what properties your $pool has, then use Set-WMIInstance to modify them.

Answer 5

This is the script that i decided to use:

$myApplicationPool = Get-WmiObject -Class IISApplicationPoolSetting -Namespace "root\microsoftiisv2" | Where-Object {$_.Name -eq 'W3SVC/APPPOOLS/DefaultAppPool'}
$myApplicationPool.IdleTimeout=0
$myApplicationPool.Put()

If someone else has a better approach for this please let me know.

Hope this help someone

Regards.

Answer 6

%windir%\system32\inetsrv\appcmd set config -section:applicationPools
   -applicationPoolDefaults.processModel.idleTimeout:00:00:00