[Kazun]

Для разового ввода пароля.Перед Foreach добавить:

Код:

$Credential = Get-Credential domain\username

И изменить:

Код:

Invoke-Command -Session $session -ScriptBlock {
	param($user,$pass,$root)
	$pass = ConvertTo-SecureString $pass -AsPlainText -Force 
	$credential = New-Object System.Management.Automation.PSCredential($user,$pass)
	New-PSDrive -name "U" -PSProvider "FileSystem" -Root $root -Credential $credential
} -ArgumentList $Credential.UserName,$Credential.GetNetworkCredential().Password,$net_setup_folder