Microsoft Windows DHCP Team Blog

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January, 2009

  • How to configure split-scope using wizard

    Split-scope configuration (Widely known as 80/20 Configurations) is typically considered as high-availability deployment scenario for the DHCP Server. It involves configuring scopes with the same subnet address and subnet mask and configuration on two...
  • What Is Name Protection

    Name Protection is based on the DHCID support to the DHCP server, and support for the new DHCID RR (Resource Record) to Microsoft DNS. In addition, support for DUID will be added to the IPv4 registration on the DHCP client. Note this feature prevents...
  • How to configure Link Layer based filtering

    In the scenarios where there are increasing security concerns and potential threats in networks, Link Layer based filtering feature in Windows Server 2008 R2 DHCP Server provides administrators the ability to specifically control network resource access...
  • How to prevent address exhaustion from Secondary Server in split-scope deployment

    DHCP secondary server is configured with 20% of address leases and if it serves the clients at the same pace it would run out of address leases and would be useless if the primary DHCP server is down. To avoid address range depletion on the secondary...
  • Link Layer Based Filtering?

    Overview The increased threat perception has caused security to be instrumented and enabled at various levels in the enterprise IT infrastructure. Network and system administrators are increasingly becoming security conscious and are constantly on...
  • How to configure Name Protection

    This feature supports prevention of name squatting issues caused due to non-Windows OS machines. Using this feature one could prevent registration of non-Windows OS machine with a same name that is already registered for another machine in DNS Server...
  • My Mobile Broadband card does not work

    Please visit the Team Mobile Broadband Blog for discussions on connectivity, using Cellular technologies.
  • Troubleshooting Link Layer based filtering

    Some of the issues that are commonly faced in scenarios where Link Layer based filters have been configured. 1. MAC Address is added in allow list but still the client is denied IP address. Check if there is some wildcard entry in the deny list...