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Thread: How many Domain Controllers should I have?

  1. #1
    humour Guest

    How many Domain Controllers should I have?


    A few questions about domain controllers.

    I have 3 servers in my network, 2 are domain controllers - 1 is 2003 the
    other is 2000.

    q1) Is it good to have more than one domain controller?

    q2) I recently restarted one of my servers, several of my users machines got
    a message the "trust relationship has been broken" << something similar. I
    think this is indicating one of my servers is not properly authenticating
    users. Does this sound reasonable?

    q3) My 2003 server has been starting to fail, I bought a new one from Dell
    but I didnt make it a domain controller...

    should I make it a domain controller? If so why?

    Will it slow the server down? Its primary job is a database server for my
    accounting system.

    Thanks in advance.

    Humour

  2. #2
    Meinolf Weber Guest

    Re: How many Domain Controllers should I have?

    Hello humour,

    see inline

    Best regards

    Meinolf Weber
    Disclaimer: This posting is provided "AS IS" with no warranties, and confers
    no rights.
    ** Please do NOT email, only reply to Newsgroups
    ** HELP us help YOU!!! http://www.blakjak.demon.co.uk/mul_crss.htm

    > A few questions about domain controllers.
    >
    > I have 3 servers in my network, 2 are domain controllers - 1 is 2003
    > the other is 2000.
    >
    > q1) Is it good to have more than one domain controller?


    YES, because of redundancy for the database where anything is stored about
    users etc. Also think about to make the second DC a DNS server with active
    directory integrated zones and DHCP server, split your scope to both DHCP
    servers, to also have redundancy for this. Additional it should be a Global
    catalog server.

    > q2) I recently restarted one of my servers, several of my users
    > machines got a message the "trust relationship has been broken" <<
    > something similar. I think this is indicating one of my servers is not
    > properly authenticating users. Does this sound reasonable?


    Please give some more info about your domain setup, are both servers in one
    domain or different domains in one forest?

    > q3) My 2003 server has been starting to fail, I bought a new one from
    > Dell but I didnt make it a domain controller...
    > should I make it a domain controller? If so why?


    Depends on your needs, is it also Exchange server, then it is not recommended
    to make it a DC. How may user accounts do you have?

    > Will it slow the server down? Its primary job is a database server for
    > my accounting system.


    What kind of database do you use? SQL or Oracle or another one?

    >
    > Thanks in advance.
    >
    > Humour
    >




  3. #3
    humour Guest

    Re: How many Domain Controllers should I have?


    My replies to your replies PREFIXED with ***


    "Meinolf Weber" wrote:

    > Hello humour,
    >
    > see inline
    >
    > Best regards
    >
    > Meinolf Weber
    > Disclaimer: This posting is provided "AS IS" with no warranties, and confers
    > no rights.
    > ** Please do NOT email, only reply to Newsgroups
    > ** HELP us help YOU!!! http://www.blakjak.demon.co.uk/mul_crss.htm
    >
    > > A few questions about domain controllers.
    > >
    > > I have 3 servers in my network, 2 are domain controllers - 1 is 2003
    > > the other is 2000.
    > >
    > > q1) Is it good to have more than one domain controller?

    >
    > YES, because of redundancy for the database where anything is stored about
    > users etc. Also think about to make the second DC a DNS server with active
    > directory integrated zones and DHCP server, split your scope to both DHCP
    > servers, to also have redundancy for this. Additional it should be a Global
    > catalog server.
    >
    > > q2) I recently restarted one of my servers, several of my users
    > > machines got a message the "trust relationship has been broken" <<
    > > something similar. I think this is indicating one of my servers is not
    > > properly authenticating users. Does this sound reasonable?

    >
    > Please give some more info about your domain setup, are both servers in one
    > domain or different domains in one forest?


    *** BOTH servers are in the same domain.

    > > q3) My 2003 server has been starting to fail, I bought a new one from
    > > Dell but I didnt make it a domain controller...
    > > should I make it a domain controller? If so why?

    >
    > Depends on your needs, is it also Exchange server, then it is not recommended
    > to make it a DC. How may user accounts do you have?


    *** 40 users accounts approximately
    >
    > > Will it slow the server down? Its primary job is a database server for
    > > my accounting system.

    >
    > What kind of database do you use? SQL or Oracle or another one?


    ** Pervasive and SQL SERVER

    > >
    > > Thanks in advance.
    > >
    > > Humour



    **** Please Validate this, given that my original 2003 server is starting to
    fail I am inclined to make my new server a Domain Controller as well. Would
    you agree this is a good move.

    **** If you think I should please point me to an FAQ about how to make a
    server not already a domain controller a Domain Controller.

    *** Thank you.



  4. #4
    Meinolf Weber Guest

    Re: How many Domain Controllers should I have?

    Hello humour,

    On both DC's run dcdiag and netdiag to check for errors. If you have errors
    please post the complete output here. Also post an ipconfig from the DC/DNS
    server and one client.


    For 40 useraccounts 2 DC's are really enough, just make them redundant with
    DNS/DHCP and Global catalog configuration


    SQL is not recommended to run on a DC:
    http://download.microsoft.com/downlo...dmeSQL2005.htm
    Scroll down to: 2.5.12 Installing SQL Server 2005 on a Windows Domain
    Controller


    http://www.pervasive.com/library/doc.../wgs-12-2.html
    Scroll down to: Installation of Pervasive.SQL


    So first you have to see about the SQL/Pervasive installation, before making
    the server also a DC.


    Best regards

    Meinolf Weber
    Disclaimer: This posting is provided "AS IS" with no warranties, and confers
    no rights.
    ** Please do NOT email, only reply to Newsgroups
    ** HELP us help YOU!!! http://www.blakjak.demon.co.uk/mul_crss.htm

    > My replies to your replies PREFIXED with ***
    >
    > "Meinolf Weber" wrote:
    >
    >> Hello humour,
    >>
    >> see inline
    >>
    >> Best regards
    >>
    >> Meinolf Weber
    >> Disclaimer: This posting is provided "AS IS" with no warranties, and
    >> confers
    >> no rights.
    >> ** Please do NOT email, only reply to Newsgroups
    >> ** HELP us help YOU!!! http://www.blakjak.demon.co.uk/mul_crss.htm
    >>> A few questions about domain controllers.
    >>>
    >>> I have 3 servers in my network, 2 are domain controllers - 1 is 2003
    >>> the other is 2000.
    >>>
    >>> q1) Is it good to have more than one domain controller?
    >>>

    >> YES, because of redundancy for the database where anything is stored
    >> about users etc. Also think about to make the second DC a DNS server
    >> with active directory integrated zones and DHCP server, split your
    >> scope to both DHCP servers, to also have redundancy for this.
    >> Additional it should be a Global catalog server.
    >>
    >>> q2) I recently restarted one of my servers, several of my users
    >>> machines got a message the "trust relationship has been broken" <<
    >>> something similar. I think this is indicating one of my servers is
    >>> not properly authenticating users. Does this sound reasonable?
    >>>

    >> Please give some more info about your domain setup, are both servers
    >> in one domain or different domains in one forest?
    >>

    > *** BOTH servers are in the same domain.
    >
    >>> q3) My 2003 server has been starting to fail, I bought a new one
    >>> from
    >>> Dell but I didnt make it a domain controller...
    >>> should I make it a domain controller? If so why?

    >> Depends on your needs, is it also Exchange server, then it is not
    >> recommended to make it a DC. How may user accounts do you have?
    >>

    > *** 40 users accounts approximately
    >
    >>> Will it slow the server down? Its primary job is a database server
    >>> for my accounting system.
    >>>

    >> What kind of database do you use? SQL or Oracle or another one?
    >>

    > ** Pervasive and SQL SERVER
    >
    >>> Thanks in advance.
    >>>
    >>> Humour
    >>>

    > **** Please Validate this, given that my original 2003 server is
    > starting to fail I am inclined to make my new server a Domain
    > Controller as well. Would you agree this is a good move.
    >
    > **** If you think I should please point me to an FAQ about how to make
    > a server not already a domain controller a Domain Controller.
    >
    > *** Thank you.
    >




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