PowerShell - Ignore SSL errors

TrustAllCertsPolicy.ps1

add-type @"
  using System.Net;
  using System.Security.Cryptography.X509Certificates;
  public class TrustAllCertsPolicy : ICertificatePolicy {
      public bool CheckValidationResult(ServicePoint srvPoint, X509Certificate certificate,
                                        WebRequest request, int certificateProblem) {
          return true;
      }
   }
"@
 
[System.Net.ServicePointManager]::CertificatePolicy = New-Object TrustAllCertsPolicy