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How clients receive domain controller list?

I am looking for an explanation on how this works to better understand how clients and domain controllers interact. . In active directory clients are able to contact a domain controller. When a client is part of a site they will get a restricted list of domain controllers. How does this actually work? I am interested in how it works even down to the protocol level. Any help would be greatly appreciated..

Thanks!

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NJComputerNetworks

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vsg375

Hi,

Not much to add, great explaination, NJComputerNetworks even though I slightly disagree with your binary interpretation, especially in line 24 where you probably meant

1110101011010001101111100001111110001111000101010100011101010010110100101110101010100101110101001011010101010011010101110101010010101011101010

But of course I can be wrong, I only took binary as a third language ;o))))

Some humor never hurts, especially when it comes to being serious ;o)

Cheers

NJComputerNetworks

lol

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Rant32

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Rant32

If it helps any: the client is not restricted to the domain controllers assigned to a specific site. If no domain controllers are assigned or available to a site, then the Infrastructure Master (specifically the Knowledge Consistency Checker, KCC) will assign a domain controller to a site. Otherwise, the client will prefer a domain controller in the same site.

Other than that, the sites in AD Sites & Services mainly define the replication topology.

Back in NT4, the security domains were also used as replication domains, and that didn't scale very well. The security domain remains, but the replication domain is now controlled by sites.