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

$adSiteName = (get-ExchangeServer $RoleFqdnOrName - DomainController $RoleDomainController).Site.Name;          $externalServiceFqdn = $adSiteName + ". um.prod." + $RoleDatacenterSiteName;          Scrittura-ExchangeSetupLog-Info "Impostazione ExternalServiceFqdn per '$externalServiceFqdn'";                Set-UMService-$externalServiceFqdn di identità $RoleFqdnOrName - ExternalServiceFqdn - DomainController $RoleDomainController;