WINS required for multi subnet 2003 domain using DFS with 2k&XP clients ?

Discussion in 'File Systems' started by Newsgroups, May 2, 2007.

  1. Newsgroups

    Newsgroups Guest

    Hi. We are deploying a new small network (single domain over multiple
    subnets) with the O/Ss below and would appreciate if anyone could clarify
    whether we should setup WINS Servers on the two domain controllers ? In
    particular does the use of 2003 R2 DFS/DFSR and 'Network Places' require
    NETBIOS and therefore in our case due to multiple subnets WINS Servers ?

    2 x 2003 R2 SP2 DCs [Both DCs hosting DFS roots]
    5 x 2003 SP2 and 2000 SP4 Servers
    20 x XP SP2 & 2000 SP4 clients

    Thanks for any help.
    Newsgroups, May 2, 2007
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  2. Always runs WINS.
    It is small & light and cost virtually nothing to run and has pretty much no
    maintainence. But it often solves or prevents a lot of unexplainable "mystery"
    behavor. It isn't just Windows you have to consider, have to consider every
    single Application that ever gets run on those machines and what the developers
    did with it when they wrote it.

    Phillip Windell

    The views expressed, are my own and not those of my employer, or Microsoft, or
    anyone else associated with me, including my cats.
    Phillip Windell, May 2, 2007
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  3. Microsoft recommends NOT installing WINS in a situation like this, as it
    is not needed, and is a security risk. WINS is only needed for OS's
    prior to NT 2000 and since none of your OS's fit that description I
    wouldn't install it.

    The only time I use a WINS server on a network that does not include
    older systems is when troubleshooting DNS or something like that. I then
    remove it once I have things working correctly.
    Red Swingline Stapler, May 3, 2007
  4. Read inline please.

    You are very incorrect here. I've never heard of Microsoft making a blanket
    recommendation like this, in fact it is quite the opposite.

    When he said, "single domain over multiple subnets" that throws up a big red
    flag that says, install and use WINS.
    WINS is almost assuredly required in this situation because old habits, like
    browsing Network Places are almost impossible to break. WINS is required by
    many legacy applications that depend on NetBIOS name resolution, one of
    these is Network Browsing with multiple subnets.

    Unique NetBIOS names must be used with WINS in an Active Directory forest
    with Windows 2000 Server and Windows Server 2003:

    Best regards,
    Kevin D. Goodknecht Sr. [MVP]
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    Kevin D. Goodknecht Sr. [MVP], May 3, 2007
  5. Newsgroups

    Bill Grant Guest

    Browsing through Network Places depends on Netbios names and the computer
    browser service. The computer browser service relies on broadcasts, so it
    fails in a routed network without WINS.

    If you are planning to use more than one WINS server you will need to
    set them up so that they replicate. You will only get network-wide browsing
    through Network Places if all the master browsers are using the same
    namespace and can find each other across routers.
    Bill Grant, May 3, 2007
  6. Newsgroups

    Alex Guest

    Sorry to drop in on this post but after reading I am slightly concerned how
    our small network is configured which may also help the original poster.
    Our current network is of a similar size with mainly Windows 2000
    workstations and 2000/2003 servers. The network is one domain using
    multiple subnets and does not have any WINS servers. Our users are still
    able to open Network Places, see all the workstations and servers on the
    network and browse to them as well as use 'net use' etc.

    Can anyone please explain how we are able to do this if we have no WINS
    servers but are using multiple subnets ?

    Appreciate any help.
    Alex, May 3, 2007
  7. According to my Microsoft Press books for the 70-291 exam the "blanket
    statement" I said remains true. And I do assume that the Microsoft press
    books are written per Microsoft recommendations.
    Red Swingline Stapler, May 3, 2007
  8. Newsgroups

    Bill Grant Guest

    How are the subnets linked to each other? If it works without WINS, the
    routers must be configured to forward broadcasts. That means that, although
    you have separate IP subnets, all machines are in the same broadcast domain.
    Bill Grant, May 4, 2007
  9. Newsgroups

    Alex Guest

    Hi Bill, thanks for your help. The subnets are connected using enterprise
    switches, I hadn't thought of broadcast forwarding, I will look into this.

    Is there any advice on what is better to use ? I'm presuming using WINS
    would be better to keep broadcast traffic to a minimum ?
    Alex, May 4, 2007
  10. Newsgroups

    Bill Grant Guest

    Yes, turning off broadcast forwarding and making all the machines WINS
    clients should cut down on LAN broadcasts. Netbios name resolution would
    only fall back to broadcasting if WINS failed.
    Bill Grant, May 5, 2007
  11. What's the exact quote, and what context is it in?
    I've never heard of this, either. I always run WINS - I really see no reason
    not to. If you aren't going to run it, make sure you've disabled NetBIOS
    over TCP/IP on all your NICs.
    Lanwench [MVP - Exchange], May 5, 2007
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