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Active Directory sites

Posted on 2015-02-23
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Last Modified: 2015-02-24
In our AD we have two subnets10.1.0.0/16 and 10.2.0.0/16 we no longer use the 10.2 subnet
Then we have two sites HQCU and HP, HP use to use the 10.2 subnet but now everything is under the 10.1 subnet.
When installing Exchange2013 it was trying to use the HP site instead of HQCU and not finding the current Exchange2007 on the HQCU site.
Any issues and how do I remove the HP site?

You can reference my question on Excahge2013 at http://www.experts-exchange.com/Software/Server_Software/Email_Servers/Exchange/Q_28617785.html 

Thank you!
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Question by:beefwilliams
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Expert Comment

by:Will Szymkowski
ID: 40627308
Do you have any DC's that are still associated with HP site? If you do not have any objects under the HP site you can simply delete the site.

As for your other comment regarding Exchange trying to reference the HP site. If sites and services are configured correctly it should only see HQ site.

Just delete the site if there are no other objects in there.

Will.
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Author Comment

by:beefwilliams
ID: 40628711
the HP Site was on the HP DC and was removed from HP server.  I am seeing the following warring in the event logs on HP:
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None of the IP addresses (10.1.10.40) of this Domain Controller map to the configured site 'HP'. While this may be a temporary situation due to IP address changes, it is generally recommended that the IP address of the Domain Controller (accessible to machines in its domain) maps to the Site which it services.
If the above list of IP addresses is stable, consider moving this server to a site (or create one if it does not already exist) such that the above IP address maps to the selected site. This may require the creation of a new subnet object (whose range includes the above IP address) which maps to the selected site object.
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When I look at the Properties on HP it has:
DNS Name: HP.forsythpl.org
DC Tyoe: Global Catalog
Site: HP

Is there a way to change the site from HP to the correct one "forsyth"

I have attached a document with a screen shot with HP properties and AD sites
HP-Site-issue.docx
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Accepted Solution

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Will Szymkowski earned 500 total points
ID: 40628729
You are getting that Error message because the IP on your domain controller matches forsythpl Site but you have the computer object for the DC in the HP Site. You need to move the computer object to the correct Site if this is how you want to have this DC going forward. See screenshot below...

Just right click on the computer object "HP" and select Move and move it to the forsythpl site
Move AD Site Object to Another Site
You will also need to re-configure the intra-site transport links as well. Let the KCC do this for you as it is recommended. They should be "automatic"

Will.
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Author Closing Comment

by:beefwilliams
ID: 40628781
Hi Will,

Thank you for your quick response and your help!
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LVL 53

Expert Comment

by:Will Szymkowski
ID: 40628786
Not a problem, glad to help!

Will.
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