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DNS IP and Host file

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DNS IP and Host file - 31.Aug.2009 10:39:55 AM   
pmengell

 

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During Exchange 2007 installation I made the DNS IP addresses for the networked PC to point to the Exchange 2007 server as some web sites suggested.

To reduce traffic to the Exchange server can I leave the DNS IP addresses to my ISP addresses and modify the Host file?
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RE: DNS IP and Host file - 31.Aug.2009 11:58:41 AM   
de.blackman

 

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let me get this straight. You are using the IP addresses of your ISPs DNS as the primary\secondary DNS servers on your exchange server? Yes you can leave them there if you like to cause problems with exchange !

Exchange is an active directory integrated application. Exchange uses DNS to locate SRV records for domain controllers\global catalog servers. If it is pointing to a DNS server that does not have any information about your AD, exchange services will fail!! It is strongly recommended that exchnage be pointing to only DNS servers that are internal to your AD so it can contact AD.

quote:

During Exchange 2007 installation I made the DNS IP addresses for the networked PC to point to the Exchange 2007 server as some web sites suggested


Can you please post these web sites?

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Ibrahim Benna - Microsoft Exchange MVP
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Navantis
@IbrahimBenna

(in reply to pmengell)
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RE: DNS IP and Host file - 31.Aug.2009 1:09:58 PM   
pmengell

 

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Sorry, I may have not made myself clear.

The DNS server and the Exchange server are the same computer.

The Exchange server is using the internal DNS server, not the ISP.

For the networked PC to connect to the exchange server I changed the DNS IP address to the internal DNS server. Now all DNS enquires go to the internal DNS server. This is working correctly.

I was thinking that I sould add the exchange server to the host file on each of the PCs and keep the ISP DNS in the PCs network config. This way it would save DNS lookups for external web sites.

(in reply to de.blackman)
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RE: DNS IP and Host file - 31.Aug.2009 2:12:23 PM   
de.blackman

 

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OK now you're making sense!! The way you have it configured is perfectly fine!

Since the Exchange is a DNS, am I correct in assuming it is also a domain controller (DC)?? If it is, do you have other DCs in the domain??

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Ibrahim Benna - Microsoft Exchange MVP
Forum Moderator
Navantis
@IbrahimBenna

(in reply to pmengell)
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RE: DNS IP and Host file - 31.Aug.2009 3:29:09 PM   
pmengell

 

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No, I don't have another DC on the network.

(in reply to de.blackman)
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RE: DNS IP and Host file - 1.Sep.2009 9:37:12 AM   
de.blackman

 

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Well in your case you have no choice but for future reference it is not recommended to have Exchange installed on a DC.

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Ibrahim Benna - Microsoft Exchange MVP
Forum Moderator
Navantis
@IbrahimBenna

(in reply to pmengell)
Post #: 6

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