Internal DNS on subdomain setup

Need to set up internal DNS on a subdomain that has been put in place.  Could use some help on the exact steps and sequence to do this.  
The subdomain will be forwarding requests for outside addresses to the DNS/Proxy Server in the main domain.
I have 2 Domain Controllers set up in the subdomain and want to install DNS on one of them.  Do I need to set up anything on the main domain DNS server first, or do I install DNS and set up a new Forward Lookup (AD Integrated Zone) on the subdomain DNS server, then set a forwarder to the main domain DNS server for outside addresses?
Please be as detailed as possible with the steps and sequence needed.
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You have to create a delegated sub-domain on your Main domain DNS. On your main DNS right click and select Delegation wizard, that will alow you to create a delegated sub domain. Specify the DNS server for the sub-domain as the name server in the wizard. Then install DNS on the sub-domain domain controller.

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rstorm1Author Commented:
Thanks for your help!  I did have to add the subdomain administrator account to the Enterprise Admins because the subdomain admin did not have permission to create the Application Partition.  Other than that, it seemed to work fine.
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