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Ownership and auditing

Learn how to configure DNS for domain controller installation, important steps, troubleshooting tips, and integrating DNS zones in Active Directory for efficient network management.

daphne-burris
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Ownership and auditing

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  1. Ownership and auditing

  2. Overview • Configure DNS to prepare for Domain Controller installation • Checking configuration • Running DCPROMO.EXE

  3. Why? • Why is DNS so important? • Computer need to find domain controllers when they boot and • Users need to find domain controllers when they want to log on. • Domain controllers need to find other domain controllers for replication.HOW??? Through SRV records in DNS

  4. Start with… • First Domain controllerin the First Domain or Root Domain • This is called the root domain of a forest. • The name you choose for this domain will be inherited by all other sub-domains.

  5. Step 1 : preparing DNS on the 1ste DC in a new root domain • Install DNS service. • Configure TCP IP settings on the member server.Preferred dns setting = your own ip address. • Create a new Forward lookup zone: e.g.sales.hq.comsales.localmycompany.edu • Make sure that the zone file supports :DYNAMIC UPDATES • Change the “primary dns suffix” (properties: my computer)

  6. Checkup dynamic update • At this point it is best to check if dynamic update is working correctly. • How?Ipconfig / registerdnsipconfig /flushdnsipconfig /displaydns • Support tools : dcdiag.exe or netdiag.exe

  7. Step 2: running dcpromo • Start > run DCPROMO.EXE • Watch out for • Dns name you choose (has to be the same as what you prepared in DNS) • Recovery password. • Sysvol share • Reboot

  8. Step 3 : check registration • During the first boot after installation,the domain controller needs to register its SRV records on the DNS server. • This can sometimes take a long time. • You can speed it up and check it at the same time by restarting the DNS service and by checking the DNS zone file. • Compare: before DCPROMO after DCPROMO:

  9. Check again • Before you add new domain controllers or new domains, check: • Dns • Zone file • Dcdiag • Now you can continue to build extra domains into your forest

  10. Step 4: adding clients to the domain • Set the preferred dns setting to point to your dns server. • Check dynamic updates • Add the computer to the domain.

  11. Uninstalling AD • You run DCPROMO.EXE and demote the server back to member server.

  12. AD and DNS integration. • If you want to replicate zone file information, • you can use primary and secundary dns zones • Disadvantage : not flexible to configure, not adapted to network topology, uses more bandwith, no scheduling • Or you can put the zone files IN the AD database. Each time that AD replicates with other DNS servers and Domain controllers, zone files are also replicated. • Advantage : you can schedule replication, configure protocols used for replication…

  13. How to integrate DNS zone in AD? • Properties of a dns zone: • Choose AD integrated. • You don’t notice any changes in the dns interface.

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