Spawn multiple PuTTY instances to connect to multiple AWS EC2 Instances via Powershell

PuTTYIntoEC2Instances.ps1

#Originally created by Liz Clements in 2022
#License: MIT

$AWSRegion = 'us-west-2'
$AWSProfileLocation = ("$env:USERPROFILE\.aws\credentials")
$AWSProfileName = 'default'

$ListOfInstances = (Get-EC2Instance -Region $AWSRegion -ProfileLocation $AWSProfileLocation -ProfileName $AWSProfileName).Instances `
					| Select-Object `
					@{Name="ServerAlias"; Expression={$_.Tags | Where-Object Key -eq "Name" | Select-Object Value -ExpandProperty Value}} `
					, @{Name="State"; Expression={$_.State.Name}} `
					, InstanceId, PrivateIpAddress
[String[]]$PrivateHostAddresses = $ListOfInstances | Sort-Object -Property State, ServerAlias `
				| Out-GridView -PassThru `
				| Select-Object PrivateIpAddress -ExpandProperty PrivateIpAddress


try	{
	$Credentials = $host.ui.PromptForCredential( `
	"EC2 Instance SSH Credential Prompt" `
	, "Please enter your username and password" `
	, "" `
	, "NetBiosUserName")
}
catch {
	Write-Error "Failed to get SSH Credentials!"
	Exit 1 #error!
}

ForEach($IPAddress in $PrivateHostAddresses) {
	[String[]]$CommandArguments = "-ssh", ($Credentials.GetNetworkCredential().UserName + "@" + $IPAddress), "-pw", ($Credentials.GetNetworkCredential().Password);
	try {
		Start-Process "putty" -ArgumentList $CommandArguments
	}
	catch {
		Write-Error "Could not launch PuTTY!"
		Exit 2 #error!
	}
	finally {
		Clear-Variable CommandArguments
		Remove-Variable CommandArguments
	}
}

#Ensure we aren't holding onto anything.
Clear-Variable Credentials
Remove-Variable Credentials