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exchange 2007 migration

i am upgrading from exchange 2003 to exchange 2007.  right now i have exchange 2003 on the primary domain controller and when i migrate to exchange 2007 exchange will be on its own server.  my question is since exchange will be on its own server and do i have to add anything to dns for this???  or will the reverse lookup still be the same in dns???
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amoos
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amoos
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1 Solution
 
ATIGCommented:
just point the 07 server to the Dns server
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amoosAuthor Commented:
my dns is hosted at att.  my DC that has the exchange on it has a reverse pointer to that server.  so are you saying that i have to ask att to point to the new 07 server??
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ATIGCommented:
If you have active directory you have dns running, AD is required for Exchange....

Do you host your own internal AD Dns? The Exchange server should point to that....

Now it sounds like you want to change your message routing so that all new mail comes into and out of the 2007 server?

1. Are you using private addressing?
2. If so you can change the firweall rules you have to route mail to the 2007 server.

If using public addressing.... contact ATT and have MX point to the 2007 server

Can you provide a bit more detail about your setup to make sure I am on the right path.

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amoosAuthor Commented:
yes i am hosting the internal dns but not the external.

my internal is .local and my external is .org
all the dns is hosted by att

exchange 2003 is on the primary DC and i want to upgrade to exchange 07 and it will be on its own server.

the record at att that was created for exchange is a reverse lookup record for the exsisting exchange server that is on the DC.  

when i install the new exchange 2007 server will i have to create a new record at att??
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