User Guide Configuration NAI hosts configuration Adding NAI hosts 3.4.3 Adding NAI hosts You can only perform this task when logged into the Active Primary SDS. Select SDS, and then Configuration, and then NAI Hosts. Click Insert. Enter a unique hostname in the NAI Host field. Perform one of the following: Click OK to save the hostname and return to the SDS configuration NAI Hosts page. Click Apply to save the hostname and remain on this page. Click Cancel to return to the SDS Configuration NAI Hosts page without saving the changes. If field validation succeeds, the host is saved. If OK or Apply is clicked and any of the following conditions exist, an error message appears: The required field is empty; no value was entered. The entry in the NAI Host field contains an invalid character. The hostname is not unique; it already exists in the system.