This simple script shows you how to migrate a scopes leases from one DHCP server to another,disable the old scope and enable the new one
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DHCP
DHCP- Find Duplicate Reservations That Have Different IP Addresses – Split Scope
Fundamental problem when you have two dhcp servers and the scopes split, is that human error creeps in and you may get DHCP reservations that have different IP addresses on each server. Now probably you rarely have DHCP server failures that you cannot fix quite quickly, so you have never noticed this as the lease […]
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Migrating from 2003 DHCP to 2012 R2 DHCP with Split Scopes to Load Balanced
Background The easiest way to migrate from 2003 DHCP with split scopes to 2012 R2 DHCP with Failover, is to put in interim 2012 R2 split scope DHCP servers, then migrate them to final DHCP 2012 R2 servers with DHCP Failover. The reason for this is that the DHCP powershell cmdlets in 2012 R2 are superb! […]
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DHCP – Get a List of Scopes and Scope Options from 2012 R2 DHCP Server
This powershell script gets a list of scopes and scope options from the two servers in a split scope environment. This should work from a 2008 R2 DHCP server and higher It is rough and ready, but it works. I use out-gridview , so I can copy and pate into Excel. You will need to modify […]
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Migrate DHCP Server to Windows Server 2012 R2
In my case I am migrating two 2003 DHCP Servers (that are also DCs) with split scopes over to two 2012 R2 DHCP Servers that are load balanced Before you Migrate Windows Server 2012 R2 DHCP Expired Leases Not Getting Scavenged worth following suggestions to potentially avoid the issue Migration Steps to follow for migrating DHCP Server […]
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