How to Migrate DHCP from Windows 2003 to Windows 2008 or 2008 R2?

Export the DHCP database from Windows 2003:

1.                   On the Windows 2003 DHCP server, navigate to a command prompt

2.                   Type the following Command: netsh

3.                   Type the following Command: DHCP

4.                   Type the following Command: server <\\Name or IP Address>

5.                   Type the following Command: export c:\w2k3DHCPdb all

Note You must have local administrator permissions to export the data.

Import the DHCP database

1.       Copy the exported DHCP database file to the local hard disk of the Windows Server 2008-based computer.

Issue : getting event id 1988 on the server

Issue :  getting event id 1988 on the server  LONSRV-IIS-01 & on EDISRV-DC-01
Scope : To fix the AD replication between  LONSRV-IIS-01 & on EDISRV-DC-01


You have 2 Sites with 2 DCs in a particular site and 1 DC in a remote site.
+ The site had VPN link between them.

+ initially you had following site structure

I Ste -- London:
LONSRV-DC-01 - All FSMO Roles
LONSRV-DC-02

II Site -- Endinbrough:
EDISRV-DC-01

+ LONSRV-DC-02 was decommisioned & installed LONSRV-IIS-01 about a month ago

+OS on LONSRV-DC-01 -- Windows Server 2003 Standard SP2, x64 , IP address : 172.22.242.5
+OS on LONSRV-IIS-01 -- Windows Server 2003 Standard SP2, x86 , IP address : 172.22.242.94
+OS on EDISRV-DC-01 -- Windows Server 2003 Standard SP2, x86 , IP address : 192.168.0.3