Are you using or plan to use a redundant IP helper configuration on routers with a Windows Server 2012 DHCP failover? Some earlier versions of router redundancy implementations (HSRP-Hot Standby Router Protocol/VRRP-Virtual Router Redundancy Protocol...

Windows Server 2012 and Remote Server Administration Tool (RSAT) for Windows 8 ships with DHCP Server PowerShell cmdlets . You can read more about it in this blog . All these cmdlets can also be used to manage DHCP server running on Windows Server 2008...

DHCP failover allows administrators to ensure high availability of DHCP service by ensuring that in the event of a DHCP server going down, DHCP clients are able to extend the leases on their current IP addresses by communicating with another DHCP server...

Introduction This blog article provides data from tests conducted on server hardware (from different vendors and with different configurations) using Windows Server 2012 that depict how the different DHCP server operations scale with increasing hardware...

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...

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...

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...

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...

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...

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...

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...

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...

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...

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...

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...

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...

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...

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...

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...

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...

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...

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...

DHCP Best Practices Analyzer is now available for download at the below location: http://www.microsoft.com/downloads/details.aspx?FamilyId=90f056d7-9c9b-4bda-82ec-497364adcc11 The same is also available via Windows Update. What is Best Practices...

DHCP Servers in Windows Server 2008 R2 are deleting reservations, in certain instances, without user intervention. If two DHCP Servers in split scope configuration are configured with identifical reservations, both of these servers may respond to client...

Microsoft DHCP Server Callout API provides a way for developers to access the critical phases of DHCP protocol processing in Windows Server 2003 family and later. This enables developers to: · Create customized extensions to the Microsoft DHCP Server...