What is the DNS ( Domain Name System )

Windows Administration Part 5

DNS ( Domain Name System )

The DNS is Domain Name System is the Active Directory Locator. Active Directory clients and client tools use DNS to locate domain controllers for administration and logon. You must have a
DNS Server installed and configured for Active Directory and the associated client software to function correctly.

                                        Install Microsoft DNS Server 

  1) Click Start, point to Settings and then click Control Panel 
  2) Double -Click Add / Remove Programs.
  3) Click Add and Remove Windows Components.
  4) The Windows Components Wizard starts. Click Next.
  5) Click Networking Services, and then click Details.
  6) Click to select the Domain Name System ( DNS )Check boz, and then click OK.
  7) Click Ok to start server setup The DNS server and tool files are copied to your computer.
  8 ) Continue to the next step to configure the DNS server.

How To Enable Dynamic Update on The Forward and Reverse Lookup Zones.

1. In DNS Manager, Expand the DNS server object.
2. Expand the Forward Lookup Zones Folder.
3. Right - Click the Zone you created, and then click Properties.
4. On the General tab, click to select the Allow Dynamic Update CheckBox, and then click OK 
    to accept the change.

Enable DNS Forwarding For Internet Connections.

* Click Start, point to Programs, point to administrative tools, and then click DNS to start the DNS management Console.
* Right Click the DNS server Object for your server in the left pane of the console, and click properties.
* Click the Forwarders TAB.
* Check the Enable Forwarders CheckBox.
* In the IP Address box enters the IP Address Of the DNS servers you want to forward queries to typically the DNS server of your ISP. you can also move them up or down. The one that is highest in the list gets the first try, and if it does not respond within a given time limit the query will be forwarded to the next server in the list.
* Click OK.

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