Joining the D5000 to an Active Directory (AD) Domain.

Introduction:

While the D5000 supports both NAS and iSCSI, many prefer the advantages of NAS in that multiple users can collaborate and work with the same files. The caveat is the NAS requires users. If there are few users, the D5000 supports local user accounts. But corporations usually have a directory service like AD or LDAP that is preferred to used for user authentication. This KB shows how to join the D5000 to an Active Directory Domain.

Prerequisites:

If the D5000 has dual controllers it's a requirement that the management ethernet ports of both controllers be connected to the network. For a single controller D5000, the management ethernet port must be connected to the network.

Configuration:

First the management port must be given an Internet Protocol (IP) address. A static IP is recommended.

The management IP will be the Floating IP. One controller will own the IP, but if there is a failover the IP will move to the surviving controller. The Static IPs should also be assigned IP addresses in the same subnet as the floating IP. The controllers can be accessed from these IPs if a controller goes into maintenance mode.

Next, the DNS server IP needs to be entered. It's important that the DNS IP be that of the Domain Controller. It will not be possible to join the domain if an external DNS server such as google DNS is used. The DNS is configured from the Global Settings tab in Management Network. It is important that the Default Route radio button be set to the Static IP setting. Do not set a secondary DNS IP.

Lastly, a requirement to join a domain is that the clocks be synchronized. The Windows Server hosting the Domain is usually configured to be an 'ntp' server, and connecting the D5000 to the Domain 'ntp' will keep the clocks synchronized.

The 'ntp' configuration is done from Device > Overview > NTP Setting.

First enable the ntp service, enter the ntp server name or IP and click Save.

Now that the configuration prerequisites are completed, the domain can be joined. Domain credentials will be required. Click Enable in Domain Settings, select Active Directory, enter the Domain Name, select the KDC from the pulldown menu, enter a username with authority to join the domain and that user's password. The Netbios Name will be the first part of the domain name. Click Save.

Type CONFIRM in the popup window.

The D5000 is now joined to the AD Domain.


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