Update Service Credentials

$credential = Get-Credential
$services  = Get-WmiObject  -Class "Win32_Service" | ?{$_.StartName -like '*\awc*'}
$service.StartService()
$services | %{$_.Change($null, $null,  $null,  $null,  $null,  $null,  $credential.UserName,  $credential.GetNetworkCredential().Password,  $null,  $null,  $null)}
$services | %{$_.StopService()}
$services | %{$_.StartService()}