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Consequence and turn-around for 2 domain controller in same lan

like the title said, i would like to know what exactly is the consequence of having 2 domain controller in the same lan (different domain name).
I've got small server at home, and i completly forgot about this and i do have set up a new server for someone else(dcpromo) on the same lan.
I,ve notice that on the new server , one (at least) of my Shared folder have been replicated. the folder is in c: .

Is there any turn-around (security policies?)  i could set on my main domain controller to not replicate or watever if another domain controller is on?
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dautech
Asked:
dautech
1 Solution
 
JimboEfxCommented:
DCs replicate within their domain.

Having two different domains on the same physical network is not a problem per se.

Just make sure that you don't have for example DHCP running on both. And depending on what you are doing you will need to set up conditional dns forwarding from one DC/DNS domain to the other to ensure you can connect depending what domain your client machine is a member of.

Also be aware not to have the same netbios names on your servers - that would cause you grief. Recommend ensuring you have wins set up on your servers and clients point to it.
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dautechAuthor Commented:
but which folders or service are replicated automaticly?
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