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Hub and Spoke setup in AD sites and services

I have a hub and spoke setup in AD Sites and Services.  One HQ and 5 remote office.  In the Inter-Site Transports under the IP folder I created a site link for each remote office to the HQ with the proper cost and replication interval.  The question I have is why under the NTDS Settings, I see the remote branch instead of the HQ?  I would think under the NTDS settings for each remote site, it will only show the HQ domain controller.  All the DCs are global catalog.  How do I make it so that all replication goes through HQ and instead of remote sites in NTDS.

Thanks in advance.
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Helping_Almac
Asked:
Helping_Almac
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1 Solution
 
Mike KlineCommented:
sounds like you have setup your sites correctly,  are you seeing any replication issues.   You can create connection objects manually but that is generally not recommended.   The KCC is creating those and generally does a good job.  It runs every 15 minutes so if a DC or site were to go offline it would redo the links.   Good page about that here

http://blogs.technet.com/b/markmoro/archive/2011/08/05/you-are-not-smarter-than-the-kcc.aspx

Thanks

Mike
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Helping_AlmacAuthor Commented:
There is no replication issue reported.  I do not want to setup manual connection but I would think NTDS should come from how you setup the site link.  I just want to make sure I am running a hub/spoke configuration but from looking at the each remote office NTDS, some are setup to only replicate to HQ and others are replication to remote office as their partner.  I just want to find a way so that all remote office NTDS shows the HQ domain controller without setting it up manually.
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GovvyCommented:
Can you give us a list of your site links and costs please
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Mike KlineCommented:
So you currently have the hub site and then site links from each hub to HQ?
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Helping_AlmacAuthor Commented:
Correct.  I have all the remote sites connect to the HQ in Site Links.  Here is how my site link is setup.
sitelink.png
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Helping_AlmacAuthor Commented:
As you can see below, under the NTDS setting the US-DU-DC99 is replicating another remote office instead of the HQ DC
Helping-Almac-508277.flv
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Mike KlineCommented:
Do you have bridge all site links enabled or disabled

http://technet.microsoft.com/en-us/library/cc738789(WS.10).aspx

Thanks

Mike
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Helping_AlmacAuthor Commented:
I have bridge sites disable.
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GovvyCommented:
Which sites are listed in the Souderton Site-Link?
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Helping_AlmacAuthor Commented:
All the remote sites are listed in the Souderton Site Link
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Mike KlineCommented:
You don't need that just the site links between HQ and and the remote sites.

Thanks

Mike
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Helping_AlmacAuthor Commented:
Don't need what?
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Mike KlineCommented:
A site link that contains all the other site links.

The site links that contain the HQ-site with two sites in each should be good.

but if you are not seeing issues you could also leave it as is.

Thanks

Mike
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GovvyCommented:
Remove the Souderton Site-Link and that will solve the issue
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Helping_AlmacAuthor Commented:
Is there any article that support this because I would need to bring it up to management?
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Mike KlineCommented:
There is a blurb here

http://technet.microsoft.com/en-us/library/cc783909(WS.10).aspx
Creating a site link between two or more sites is a way to influence replication topology. By creating a site link, you provide Active Directory with information about what connections are available, which ones are preferred, and how much bandwidth is available. Active Directory uses this information to choose times and connections for replication that will afford the best performance.

So by putting all the sites in that site link the KCC thinks they can all "talk"/"replicate"
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GovvyCommented:
http://technet.microsoft.com/en-us/library/cc754697.aspx - you should ideally have 2 sites per site-link and no more
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Helping_AlmacAuthor Commented:
I will remove the SoudertonSite link all together.

Thanks everyone
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Mike KlineCommented:
no problem, thanks for the points.  next time you can also split points, but in the end glad we helped.

Thanks

Mike
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GovvyCommented:
Why did mkline get the points when I asked for your site-link info and provided the fix?
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Helping_AlmacAuthor Commented:
I just accidently accept it. I do not know how to split the points after I close it.
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