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2 Primary Servers vs 1 primary 1 Secondary

Looking at the 'Properties' on one of my Forward Look-up zones, on the 'General' tab there is a setting to change the 'Zone Type'. When clicking on this, I can choose between Primary Zone, Secondary Zone, or Stub Zone with a brief description of each. My primary DNS/DC server is set as 'Primary Zone,' I have a secondary DNS/DC server also set as 'Primary Zone,' This is all on a single Domain environment with approx. 300 PCs . Should my secondary DNS/DC server be set as 'Secondary Zone' or remain as 'Primary Zone' and what are the implications? I want to have a completely fault tolerant set-up...

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Jian An Lim

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aheckman

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Take this one step further for me... we have 4 sites (hub and spoke). Hub site has the 2 DNS/DC's. Each spoke has a DC. Do you think it would be appropriate to change those spoke DC's into DNS servers to lessen the amount of DNS traffic over WAN links. (Not that i think that traffic is cluttering the lines, but in an overall design aspect).

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