Managing the PowerVault NX3500 117Enabling User Authentication Through an NIS DatabaseTo enable user authentication:1 Click System ManagementAuthenticationIdentity ManagementDatabase.2 Click Users and groups are defined in a NIS database and set the NISdatabase properties.3 Type the domain name of the NIS database in the Domain name field.4 Type the name or IP address of the NIS server in the NIS server field.5 To add an NIS server for redundancy purposes, click Add NIS server andtype the name of the new NIS server or its IP address in the NIS Serverfield.6 To remove an NIS server from the list, select the check box next to the NISserver that you want to delete and click Delete NIS server(s). Click OKwhen prompted to accept the changes.7 Click Save Changes to save the configuration or click Revert to restore theprevious configuration settings.Enabling User Authentication Through an LDAP DatabaseTo enable user authentication:1 Click System ManagementAuthenticationIdentity ManagementDatabase.2 Click Users and groups are defined in an LDAP database. Set the LDAPserver properties as follows:a Type the name or IP address of the LDAP server in the LDAP serverfield.b Type the base DN (distinguishable name) that you want to use forauthentication purposes in the Base DN field.The Base DN (Distinguishable Name) is a unique LDAP stringrepresenting the domain to use for authentication. It is usually in theformat: dc=domain,dc=com.3 Click Save Changes to save the configuration or click Revert to restore theprevious configuration settings.