Hello again, it’s been a while, but this little nugget of information couldn’t wait, I want to keep it somewhere I can get to it quickly again!

Having performed many migrations between servers operating systems over the years, DHCP has always been a pain. When moving between differing versions of Windows, the backup/restore process doesn’t work, especially when you add in the change between x86 and x64. Well, there is an easier way which I’ve stumbled across today:

Install the DHCP Server role on the new 2012 Server, but don’t Authorize it.
On the Windows 2003 DHCP Server, open a command prompt and type: netsh dhcp server export C:\dhcp.txt all
Copy the file to the new 2012 Server.
On the new 2012 server, open a command prompt and type: netsh dhcp server import C:\dhcp.txt all
Open the DHCP console on the new server and authorize the server with Active Directory.
Stop the DHCP service on the old server, and disable it.

Now that’s much easier than manually re-creating a DHCP scope right?!

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Categories: Microsoft


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