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  • Upgrading Win2000 to Win2003 mode.

    I'm needing to update my Win2003 AD role. I came into this job and the Exchnage server is on a Win2k3 domain running in Win2000 mode. Plus the Exchnage server does not have any Service Packs. I can't install Exchnage SP unless I run the domain and forest prep.

    I need my domain to be switched from Win2000 to Win2003 mode so I can update my Exchange server plus I'm wanting to install Office messanger server but can't with the domain in 2000 mode.

    My question is this. There are 3 domains here and 2 of them are Win200 domains and one Win2003 in Win 2000 mode.

    My Win2003 domain running in Win200 mode needs to be upgraded. but I'm worried that the other 2 domains will have a problem if I switch the Win2003 domain from Win2000 to Win 2003 mode? Will this break anythig with the other domains?

    Domains are laid out like this.

    win2k3.company.com
    win2k.company.com
    win2k.company.com

    Can I upgrade my Win2003 domain to win2003 without hurting the older domains till I can get to them next?

    Thanks in advance?

  • #2
    Re: Upgrading Win2000 to Win2003 mode.

    yes, you can do that.
    Raising functional level (which I assume you are speaking of) takes approximately 30 seconds though, so you could just do them all at once..

    remember as well, you can't go back once you have raised the FL
    Please do show your appreciation to those who assist you by leaving Rep Point https://www.petri.com/forums/core/im.../icon_beer.gif

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    • #3
      Re: Upgrading Win2000 to Win2003 mode.

      Originally posted by tehcamel View Post
      yes, you can do that.
      Raising functional level (which I assume you are speaking of) takes approximately 30 seconds though, so you could just do them all at once..

      remember as well, you can't go back once you have raised the FL
      That is what I mean, Raising Functional level. Thing is my Win2003 is in Win2000 native mode. And my 2 other domains are just Win2000 mode.

      So If I change the Win2003 from Win2000 native mode to Win2003 mode my 2 old Win2000 domain's will still work fine with the now changed Win2003 domain?

      I'm making sure because I know once I move forward I can't go back..

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      • #4
        Re: Upgrading Win2000 to Win2003 mode.

        are all your servers running at least Server2003 ?

        have these two posts helped?
        http://www.petri.com/raise_forest_fu...ndows_2003.htm
        http://www.petri.com/understanding_f...ws_2003_ad.htm
        Please do show your appreciation to those who assist you by leaving Rep Point https://www.petri.com/forums/core/im.../icon_beer.gif

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        • #5
          Re: Upgrading Win2000 to Win2003 mode.

          Originally posted by tehcamel View Post
          are all your servers running at least Server2003 ?

          have these two posts helped?
          http://www.petri.com/raise_forest_fu...ndows_2003.htm
          http://www.petri.com/understanding_f...ws_2003_ad.htm
          My Win2003 Domain all domain controllers are Win2003, there are some Win2000 Servers on the Win2003 domain but no Win2000 servers are DC or BDC for this domain.

          The other 2 domains running Win2000 mode is a mix of Win2000 and Win2003 but the FSMO role holder is a Win2000 server. There is one Win2003 server that I use for GPO, it's a Backup DC.

          I think the infrastructural is a forest were the Win2003 domain being the Father domain and the 2 Win2000 domains are child domains, Does that make sens?

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          • #6
            Re: Upgrading Win2000 to Win2003 mode.

            Thanks for the links, those docs help me understand the Forest model some.

            From what I take, I need to put in place a Win2003DC in both my Win2000 domains. I then demote the Win2000DC in both domains. I run the new Win2003DC servers in Win2000 native mode. I must do this for Both old Win2000 domains need from what I understand?

            Once I have both of the two old Win2000 domains brought up to the same level of my Win2003 domain which is running in Win2000 Native mode. I then can change the entire forest from Win2000 native mods to Win2003 mode. Once I change the mode to Win2003 I can then install Win2008DC through out the forest?

            Does this sound right to you?

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            • #7
              Re: Upgrading Win2000 to Win2003 mode.

              yep, that sounds about right
              Please do show your appreciation to those who assist you by leaving Rep Point https://www.petri.com/forums/core/im.../icon_beer.gif

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