8 ContentsManaging Administrator Users . . . . . . . . . . . . 110Adding an Administrator . . . . . . . . . . . . . 111Changing the Administrator’s Password . . . . . 111Modifying an Administrator. . . . . . . . . . . . 112Modifying an Administrator'sE-Mail Filter Rules. . . . . . . . . . . . . . . . . 112Removing an Administrator . . . . . . . . . . . . 112Managing Local Users . . . . . . . . . . . . . . . . . 113Adding Local Users . . . . . . . . . . . . . . . . 113Modifying Local Users . . . . . . . . . . . . . . 114Deleting Local Users . . . . . . . . . . . . . . . 114Changing the Password. . . . . . . . . . . . . . 114Managing Local Groups . . . . . . . . . . . . . . . . 114Adding a Local Group . . . . . . . . . . . . . . . 115Modifying a Local Group . . . . . . . . . . . . . 115Deleting a Local Group . . . . . . . . . . . . . . 115Authentication . . . . . . . . . . . . . . . . . . . . . 116Configuring an IdentityManagement Database . . . . . . . . . . . . . . 116Enabling User AuthenticationThrough an NIS Database . . . . . . . . . . . . 117Enabling User AuthenticationThrough an LDAP Database . . . . . . . . . . . 117Disabling the Use of an ExternalUNIX Identity Management Database . . . . . . 118Configuring Active Directory . . . . . . . . . . . . . 118Synchronizing PowerVault NX3500 With theActive Directory Server . . . . . . . . . . . . . . . . 118Configuring the Active Directory Service. . . . . 119Network Configuration Overview . . . . . . . . . . . 119Accessing the System . . . . . . . . . . . . . . 119