adSiteName = ($RoleFqdnOrName get-ExchangeServer - DomainController $RoleDomainController).Site.Name; $externalServiceFqdn ...

$adSiteName = ($RoleFqdnOrName get-ExchangeServer - DomainController $RoleDomainController).Site.Name;          $externalServiceFqdn = $adSiteName + ". um.prod." + $RoleDatacenterSiteName;          Escritura ExchangeSetupLog-Info "Configuración ExternalServiceFqdn a '$externalServiceFqdn'";                Set-servicio de mensajería unificada-identidad $RoleFqdnOrName - ExternalServiceFqdn $externalServiceFqdn - DomainController $RoleDomainController;