Poll: FSMO roles? Do you seperate yours?

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Windows Thread, FSMO roles should be separated across DCs in the domain? in Technical; After getting advise in a previous post about FSMO roles i just wondered how many of you do split the ...
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    tosca925's Avatar
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    FSMO roles should be separated across DCs in the domain?

    After getting advise in a previous post about FSMO roles i just wondered how many of you do split the roles across your DC's?

    I presume a lot of people are like us and that they are on the first server that was installed and have never been moved. I know after advice and reading that Microsoft recommend that you do not put them all on one DC so this is what i intend to do when i configure or new DC.

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    Ric_'s Avatar
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    Re: FSMO roles should be separated across DCs in the domain?

    The magical wizard known as dcpromo will do this automagically for you as you promote 2nd and subsequent DCs.

    There are also many articles available on the net.

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    tosca925's Avatar
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    Re: FSMO roles should be separated across DCs in the domain?

    So does DCPROMO move FSMO roles from one DC to another as part of the process?

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    Re: FSMO roles should be separated across DCs in the domain?

    Unless your network is huge (bigger than most schools) I don't see the point. I suppose if your FSMO DC has not much else to do, then then it won't be overburdened.

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    tosca925's Avatar
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    Re: FSMO roles should be separated across DCs in the domain?

    What do you class as Huge?

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    Re: FSMO roles should be separated across DCs in the domain?

    I class 300+ workstations and or 20+ servers as huge

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    Re: FSMO roles should be separated across DCs in the domain?

    Mmmm ... I'm not sure really. Sorry, it's late at night.

    I meant dozens or hundreds or DCs across multiple sites. 'Enterprise' level stuff.

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    Re: FSMO roles should be separated across DCs in the domain?

    Quote Originally Posted by john
    I class 300+ workstations and or 20+ servers as huge
    Thats the majority of schools round here then...

    300ish WS'shere with 5 servers. We just have them all on one DC. Dont realy see the point of changing this s they both experiance near enough the same loads.

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    Re: FSMO roles should be separated across DCs in the domain?

    Quote Originally Posted by john
    I class 300+ workstations and or 20+ servers as huge
    Thats the majority of schools round here then...

    300ish WS'shere with 5 servers. We just have them all on one DC. Dont realy see the point of changing this s they both experiance near enough the same loads.

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    Re: FSMO roles should be separated across DCs in the domain?

    I seperate them, I doubt it has any major benefit but as its recommended to do so I just do it

    From what I remember though only the RID Master and PDC Emulator are actually critical on a day to day basis in a single domain forest, so probably those would be the ones to seperate?

    Something like the schema master role which is very rarely required will make no difference to performance whatever DC it is on

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    Re: FSMO roles should be separated across DCs in the domain?

    I listened in to a webcast around 2 years ago from the master himself, Mr Minasi ... a rough estimate of requirements (and it varies from setup to setup) for a company that has a high frequency of users that constantly log on and off can be 1 x DC for every 250 clients, separate File Server / Storage to the DCs, all roles on a single DC but GC on each DC, 80:20 rule on DHCP, keep DB services seperate and update services seperate.

    I can't remember what else he said ... these are the only notes I made. TechRepublic have had similar suggestions ... but noone ever seems to leave things like this on their website.

    One recommendation is to put in the bare minimum and then monitor the needs ... there are a few things that people say you should or should not do ... for Exchange places like Swinc.com help ... and when I was looking at FSMO roles recently this page was found to be helpful when I didn't have the Minasi books to hand.

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    Re: FSMO roles should be separated across DCs in the domain?

    I class 300+ workstations and or 20+ servers as huge
    Well.............whats that make us then with 760 clients and 14 severs?

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    Re: FSMO roles should be separated across DCs in the domain?

    I had a Microsoft Engineer remote into one of our DCs last week due to a failure and he did an audible gasp when he saw that one DC held all 5 roles and was the GC too. After a bit of a chat with him about best practices, this is what he recommended:
    PDC - your most powerful DC
    Infrastructure - not the same machine as the GC
    other 3 roles location is not important.
    Must only be one GC. the whole Global Catalogue thing is one that has always puzzled me as there are some websites that tell you that another GC is important, but others say you should only have one. The MS guy said that you should only have multiple GCs if you have a different physical network at another location (london/new york offices for example)

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    Re: FSMO roles should be separated across DCs in the domain?

    Hmm...I always make every DC a GC, purely for the reason if theres only one and it goes belly up you will then not be able to create new objects and apparantly (this is not something ive tested) no-one can log in apart from the domain admin .
    Which isnt exactly fault tolerant, which is part of the point of having multiple DC's

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    Re: FSMO roles should be separated across DCs in the domain?

    we have nearly 400 machines and 10 servers on our network, have 3 dcs and 2 of the fumos are on one dc and 3 are on the other. ive got RID PCD on one server and Infrastructure, schema and domain naming on another server
    this seems to work fine for us

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