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Windows Server DNS, DHCP and IPAM solution!
Class Based Assignment
co-existing Printers in DHCP NAP Deployment
Custom NPS Profile for DHCP
DHCP DHCPV6 Reservations
DHCP Failover Hot Standby mode
DHCP Network Hint Performance
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Exepmting Printers from NAP enforcement
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Installing DHCP role
IP Source Guard
MAC based exemption in NPS Policy
Migrating to DHCP Failover
Multi-site Deployment topologies
Network Access Protection
NPS Profile per DHCP Scope
Policy Based Assignment
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Scope-level link layer filtering
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Microsoft Windows DDI Team Blog
windows server 2012
Load balancing DNS servers using DHCP Server Policies
This blog is authored by Ken Johnson, Senior Premier Field Engineer, Microsoft. DNS is one of the critical services needed for accessing network resources. Response time of the DNS server is critical to the speed and performance of relying services. These two blogs have the timeout information and...
1 Oct 2015
DHCP Failover fixes in KB 2919393 for Windows Server 2012 and KB 2919355 for Windows Server 2012 R2
The following fixes in DHCP Server for Windows Server 2012 have been released as part of Windows rollup update KB 2919393 and for Windows Server 2012 R2 for KB 2919355. Issue no 1: DHCP Failover server issues reserved IP address to a client with a different MAC address This issue pertains to...
26 Feb 2014
Windows Server 2012 R2- Enhancing DHCP policies and DNS registrations in DHCP server
Introduction Windows DHCP server can perform registration of DNS records with the DNS server on the behalf of its clients. Windows Server 2012 R2 enhances this DNS registration functionality in DHCP server. It provides you more flexibility in registering clients with the DNS server. You can now configure...
26 Jan 2014
DHCP Failover Load Balance Mode
As described in the blog on DHCP failover , there are two types of DHCP Failover relations – Load Balance which provides Active-Active configuration and Hot Standby which provides Active-Passive configuration. This blog article elaborates on the Load Balance failover relationship. As is evident...
6 Aug 2012
Migrating existing DHCP Server deployment to Windows Server 2012 DHCP Failover
Introduction This article provides information on how to migrate an existing DHCP server deployment on Windows Server 2008 or Windows Server 2008 R2 to Windows Server 2012 DHCP Failover. DHCP Failover feature requires two Windows Server 2012 on which the DHCP role is installed. To migrate from...
11 Sep 2012
Holistic administration of IP address space using Windows Server 2012 IP Address Management
Introduction DHCP and DNS are widely used Windows Server roles providing the foundation for connectivity in enterprise networks. While DHCP enables the assignment of IP addresses and configuration of hosts on demand, DNS allows Internet names like “www.microsoft.com” to be resolved to...
4 Jul 2012
Using DHCP policies to set different lease durations for different device types
Introduction An enterprise network has several types of devices – desktops, printers, mobiles, laptops etc. An enterprise administrator would need to ensure that all these different types of device are provisioned appropriately for network connectivity. This requires that they have a valid IP...
22 Sep 2012
DHCP Policies using PowerShell
The DHCP server role in Windows Server® 2012 introduces DHCP Policies also referred as Policy Based Assignment (PBA), a feature that enables users to create policies at scope or server level for assigning IPv4 addresses and options to DHCP clients based on attributes like Vendor Class, User Class...
14 Dec 2012
Bringing PowerShell to DHCP Server
Windows server 2012 comes with PowerShell support for DHCP server role. It provides DHCP administrators a modern, uniform way to manage DHCP servers both locally and remotely, through the command line. These cmdlets get enabled by default when you install DHCP role or DHCP RSAT (Remote Server Administration...
15 Jul 2012
DHCP PowerShell Export Import cmdlets in Windows Server 2012
DHCP PowerShell in Windows Server 2012, in addition to providing cmdlets for DHCP server management, provides cmdlets for exporting ( Export-DhcpServer ) and importing ( Import-DhcpServer ) DHCP Server configuration and IP address lease data. Unlike NetSH.exe export/import functionality which uses binary...
3 Dec 2012
DHCP Policies in Windows Server 2012
Introduction In the recent blogs about DHCP server in Windows Server 2012, we discussed DHCP Failover – a new mechanism for achieving high availability of the Windows DHCP server and DHCP PowerShell – the new command line interface for managing Windows DHCP server. This blog discusses...
22 Aug 2012
DHCP policies based on Relay Agent Information Option (option 82), DHCP Snooping and IP Source Guard
Introduction DHCP server in Windows Server 2012 provides support for provisioning customized IP address and network configurations to DHCP clients using DHCP policies. Policies can be created based on several criteria one of which is relay agent information option - commonly referred as option 82...
1 Oct 2012
Automatic syncing of scope configuration changes between 2 DHCP failover servers
DHCP Failover is a new feature in Windows Server 2012 which provides for high availability of DHCP service. Two DHCP servers in a failover relationship synchronize the IP address lease information on a continual basis there by keeping their respective databases up-to-date with client information and...
27 Nov 2012
Installing and Configuring DHCP role on Windows Server 2012
With the new Server Manager in Windows Server 2012, there have been some changes in the way DHCP role will be installed. The blog post describes, in the sections below, installation and configuration of DHCP Role using Server Manager and PowerShell on Windows Server 2012. Before starting, the user needs...
31 Aug 2012
DHCP MAC address Filter management made easy with DHCP PowerShell
Security and network administrators are increasingly wary of internal security threats, in addition to threats from the outside, due to the introduction of uncertified hardware and software on the network, such as personal portable computers and mobile devices that can be potentially compromised and...
10 Nov 2012
Bulk load DHCP Reservations using DHCP PowerShell
Many organizations deploy DHCP server but choose to have complete control over the IP addresses given out to client computers. This is achieved by reserving an IP address for each client as opposed to letting them acquire a lease dynamically. If you are an admin at one such organization, you could probably...
21 Nov 2012
DHCP Failover Hot-Standby Mode
In the previous blog on DHCP Failover, we discussed the DHCP failover load balance mode where both DHCP servers respond to client requests and load balance the requests between them based on an admin specified load distribution ratio. In the other mode of a failover relationship, known as the Hot...
3 Sep 2012
Ensuring High Availability of DHCP using Windows Server 2012 DHCP Failover
Introduction Ensuring high availability of critical network services like DHCP figures high in the list of priorities for any enterprise. In an environment where clients get their IP addresses and network configuration automatically, uninterrupted network connectivity is dependent on the availability...
28 Jun 2012
Setting up DHCP Policies for Virtual Machines
Introduction With the trend towards private cloud and hosted cloud deployments, the use of virtualization is ubiquitous. This has also increased the need for better control of these virtualized environments with respect to IP address and network configuration provisioning. DHCP policies , a new feature...
24 Sep 2012
DHCP Failover supports BOOTP clients in Windows Server 2012 R2
DHCP Failover is a new feature in Windows Server 2012 which provides for high availability of DHCP service. Two DHCP servers in a failover relationship synchronize the IP address lease information on a continual basis, there by keeping their respective databases up-to-date with client information and...
21 Oct 2013
Multi-Site deployment topologies for DHCP Failover
The two modes of configuring DHCP Failover Load Balance and Hot Standby enables a wide range of deployment topologies involving failover deployment between the DHCP servers present in the same site or spread across multiple sites. The most rudimentary one is the single-site deployment, where both...
5 Sep 2012
Scope-level Link layer filtering using DHCP Policies in Windows Server 2012
Introduction Link-layer filtering was a DHCP feature introduced in Windows Server 2008 R2 where one could allow or restrict access to clients based on their MAC address. However the caveat in this feature was that this was possible only at the server level. One of the frequent asks we‘ve had...
15 Sep 2012
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