Replication Across SItes With Additional 2008 R2 Domain Controller

I am replacing a 2003 domain controller with a new 2008 R2 domain controller at one of our sites. We already have 2008 domain controllers at other sites.  I dcpromo the new domain controller, and seems to have replicated fine from the old 2003DC at the same site, however when I go into the DNS, it only shows a link with the 2003DC.  Will this automatically update with a link to a DC at our main site?  I see that the old 2003 DC has an automatically generated connection that goes to our main site domain controller.  If I DCpromo out the old 2003DC at this site, will the 2008DC automatically generate a connection back to the main site to the other DC?
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fireguy1125Asked:
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AnuroopsunddCommented:
Yes, as it found local DC from same site it made a replication partner with it.
Ones it is gone from the DC entries this server will update the links...

it will be better that you create another replication link from this new server to the other server so that there is no issues during the server goind down and getting the replication completed.
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fireguy1125Author Commented:
I don't recall ever having to do this manually, which is why all of the sites to site show <automatically generated> I just want to confirm that after I dcpromo OUT the old 2003DC, the new 2008DC will go to other inter-site and create this connection automatically.
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AnuroopsunddCommented:
Yes, it will create automatically
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