You would have to use Invoke-COmmand cmlet, but that will only work if you have PSRemoting enabled on the remote machines.
Another way is to use WMI
# Stops and restarts the specified application pool on the specified machine
Function RecycleAppPool
{
param
(
[string]$serverName,
[string]$applicationPool
)
# Return an app pool object
$aPool = Get-WmiObject -Authentication PacketPrivacy -Impersonation Impersonate -ComputerName $serverName `
-Namespace "root\WebAdministration" -Class "ApplicationPool" | Where-Object { $_.Name -eq "$applicationPool" }
# Check to make sure we actually have an object
If ($aPool -ne $null)
{
If ((ConvertAppPoolState ($aPool.GetState() | Select-Object -ExpandProperty ReturnValue)) -eq "Started")
{
Write-Host -ForegroundColor Green "Attempting to Stop Application Pool: $applicationPool on Server: $server"
$aPool.Stop()
$stopper = 0
While (((ConvertAppPoolState ($aPool.GetState() | Select-Object -ExpandProperty ReturnValue)) -eq "Stopping"))
{
Write-Host -ForegroundColor Yellow "Stopping...."
$stopper++
Start-Sleep 5
If ($stopper -eq 10)
{
Write-Host -ForegroundColor Red "There was an issue with stopping the Application Pool $applicationPool."
exit
}
}
If ((ConvertAppPoolState ($aPool.GetState() | Select-Object -ExpandProperty ReturnValue)) -eq "Stopped")
{
Write-Host -ForegroundColor Green "Application Pool: $applicationPool on Server: $server has been stopped"
}
}
If ((ConvertAppPoolState ($aPool.GetState() | Select-Object -ExpandProperty ReturnValue)) -eq "Stopped")
{
Write-Host -ForegroundColor Green "Attempting to Start Application Pool: $applicationPool on Server: $server"
$aPool.Start()
If ((ConvertAppPoolState ($aPool.GetState() | Select-Object -ExpandProperty ReturnValue)) -eq "Started")
{
Write-Host -ForegroundColor Green "Application Pool: $applicationPool on Server: $server has been started"
}
}
}
Else
{
Write-Host -ForegroundColor Red "There was an error trying to recycle app pool: $applicationPool on server: $serverName, " `
+ "please make sure you typed everything correctly"
}
}
Function
ConvertAppPoolState
{
param
(
[
int]$value
)
switch($value)
{
0 {
"Starting"; break}
1 {
"Started"; break}
2 {
"Stopping"; break}
3 {
"Stopped"; break}
default{ "Unknown"; break}
}
}
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