There is a DHCP Server management API DhcpGetClientInfo() with which DHCPUser can get the information about DHCP Clients. There are three way to figure out the information for the client with the above API. The first one is by specifing ClientIPAddress...

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...

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...

How to programmactically set/view the DNS settings that we set in the DNS tab of the Server/Scope/Reservation property page? Before we investigate how to retrieve this information, let me first explain to you that this information is persisted as a DHCP...

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...

Is there a particular feature in DHCP (eg. reservations, callout DLL, failover, netsh, ...) that interests you? Have you customized the DHCP server, using scripts or external utilities to suit your environment? Are there features, that you would...

Obtain the MAC address of the server's interface for which we want to assign a Fixed DHCP address, And add a reservation using below command netsh dhcp server <DhcpServer'sAddress> Scope <Scope_ID> add reservedip <Fixed DHCP Address>...

RFC3315 specifies User Class Option for IPv6 hosts. DHCP administrators may define specific user class identifiers to convey information about a client's software configuration or about its user's preferences. User classes are created to support the implementation...

DHCPv6 Stateless Clients obtain configuration data from DHCP Server, by sending Information-request messages. The configuration data typically has no associated lifetime, hence there is no information telling a host when to refresh its configuration information...

In this post, I am going to talk about an interesting way to manage your Windows Servers. One of the things that would certainly be a good thing to have is the freedom to use your desktop environment to monitor and configure your servers. The advantages...

In this post, I am going to talk about how to set the lease time for a given scope in the DHCP server through netsh command-line. The command is a little unintuitive considering the fact that you won't be mentioning anything about lease time in the command...

When a user takes his machine with Windows 7 OS (laptop) from one network to another network, then DHCP client first tries to get the network hint (SSID) of the new network. If it does not get any network hint, then regular processing is carried on assuming...

Question: How can I change the threshold value for firing of event 1020. Event 1020 fired by the DHCP server is fired whenever the amount of free addresses in a scope is less than 80%. E.g: Event Type: Warning Event Source: DhcpServer Event Category...

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...

DHCP Server service is moved under Network Service account from what it used to be a Local System account untill Windows Server 2008. With this the DHCP Server service that runs in the context of the Network Service account presents the computer's credentials...

We are pleased to announce that the Windows 7 Release Candidate (RC) is available for immediate download to our TechNet and MSDN subscribers. If you’re not a TechNet Plus subscriber, please click here to learn about the benefits of becoming one. Windows...

Note: In Windows Server 2008 R2, active leases can be converted to reservations by just doing a right click in the DHCP Server management console. :) If anyone is interested…or needs this in the future: 1. Dump all leases: Netsh dhcp...

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...

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...

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...

The Following is the link for forum where DHCP Team's Developers, Tester and PM are waiting for you answer/support your queries. http://forums.microsoft.com/TechNet/ShowForum.aspx?ForumID=1510&SiteID=17 Post all your queries regarding Microsoft...

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...

Hi all, This post is regarding an issue that plagues the Windows Server 2003 SP1 on Itanium 64 platforms. The problem is that the netsh export/import commands fail on these cases with the following error: DHCP Server import and export are allowed on...

The following is a question i received from one of the internal groups and my answer to the same. I hope you find the information usefull. Question: I am trying to configure options to be applied specifically to workstations that make a vpn connection...

Export and import commands in netsh helps to export configuration of a local server to a particular file and then using this file these configurations can be imported on another server. Exporting and importing of DHCPv6 Server configuration can...