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DHCP & DNS Problem in SBS 2003

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  • DHCP & DNS Problem in SBS 2003

    hi Guys,

    I'm facing the same problem in my SBS 2003 which is act as follows:

    1. Directory Services
    2. DNS
    3. DHCP
    4. Exchange
    5. ISA 2004


    After installing the ISA 2004 SP2, which is by default is blocking everything. What i want is the users to be able to Regest for an IP Address via the DHCP Services and get a Reply as well as for the DNS to resolve the names resolutions.

    I have added the Rules which are recommened by Microsoft into the Firewall Rules for the DHCP, Restart the Firewall Services but still it won;t work.

    Also, I have moved these two rules into the top of all the rules that i have in the Firewall Rules.

    1. DHCP Request
    2. DHCP Reply

    But also no luck

    Anyone can recommend anything ?

    Thanks in advance.

    Habibalby
    ================================
    HND: Higher National Diploma in
    Computer Science(IT)


    Passed:
    MCSA+Security 2003, VCP3, VCP4
    Done:VMware DSA
    ================================[/COLOR]

  • #2
    Re: DHCP & DNS Problem in SBS 2003

    Chcek that you have the .255 address allowed by ISA as it may stop at 192.168.16.254 (default address) and exclude broadcast address needed by DHCP
    TIA

    Steven Teiger [SBS-MVP(2003-2009)]
    http://www.wintra.co.il/
    sigpic
    Iím honoured to have been selected for the SMB 150 list for 2013. This is the third time in succession (no logo available for 2011) that I have been honoured with this award.

    We donít stop playing because we grow old, we grow old because we stop playing.

    Comment


    • #3
      Re: DHCP & DNS Problem in SBS 2003

      Problem solved by Adding:

      1. Rule that will Allow DHCP Request from Internal to LocalHost.
      2. Rule that will Allow a DHCP Reply from Local host to Internal.

      The Request for a Dynamic IP will come from the internal clients and then the DHCP Server will reply with an acknowledgment of the available IP to the client.

      Thank you very much guys for your help.

      Habibalby
      ================================
      HND: Higher National Diploma in
      Computer Science(IT)


      Passed:
      MCSA+Security 2003, VCP3, VCP4
      Done:VMware DSA
      ================================[/COLOR]

      Comment

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