Tuesday, May 1, 2012

Reverse Lookup Zone and PTR

After successful installation of Active directory DNS address will be change to 127.0.0.1. So change the  Preferred DNS server IP address. For this test server DNA and Active directory is in same PC. so here we change the DNS address, Reverse lookup zone & PTR. below screen shots for step by step guide.

After installation AD, Preferred DNS server address will change to 127.0.0.1 automatically. So change the Preferred DNS server IP as per your configuration.


here doing nslookup we found this status of DNS. Its not running.

Preferred DNS server IP change


Click on OK


Now we need to configure Reverse Lookup Zone



Domain dhaka.com and here PDC (Primary Domain Controller) is dc1.

Right click on Reverse Lookup Zone and select New Zone.

click on Next.

This is the same DNS server as Active Directory is also running. here don't have other DNS server. click on Next.


Replication for all DNS server running on Domain dhaka.com. click on Next

Select IPV4, click on next


Insert your network address. In this case 192.168.1.0. click on Next.



Select on "Allow both nonsecure and secure dynamic update". when we will connect our client PC to this domain, than DNS will automatically update the client PC record. If we don't select this we will need to manually update all client PC record in DNS.

Click on Finish.



Now go start> Run> CMD> and type nslookup. Still server Unknown. Need to do some more things.

Again go to the DNS Manager. Right Click on Domain controller. here dc1. and click on Properties.


Select Update associated pointer (PTR) record. Click Apply and OK.


Now in command prompt type: nslookup. now we found DNS server is running properly.


If we have Additional Domain we can run command: repadmin /syncall. it should finish with out error. if found any error we must solve this error.
we also can run command: netdom query fsmo to check FSMO Roles. Here all FSMO Role is in one server, no other additional domain is connected. 
This two command is very important command to find error and FSMO Roles.


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