How to disable IP auto-configuration in server

If you add a static IP in a core server, you may see that the auto-configuration is on and giving a 169.0.0.0 number as the preferred address and the new static IP as the duplicate address. This will not work. When using a Core server, use the following steps to fix the issue.

 

Step 1: Run > cmd > ipconfig /all

How to Migrate DHCP from Windows Server 2012 R2 to Server 2016

Migrating a DHCP from Server 2012 R2 to Server 2016 involves only two commands. The first command is to export the DHCP data and is run on Server 2012 R2. The second command imports the DHCP data and it is run on the Windows 2016 server.

The following steps illustrate how to use those two commands.

Import and Export DHCP Data

1. Log in with an administrator account to the Windows Server 2012 R2 system.

2. Open Powershell and then type in the following command:

Export-DhcpServer -File C:\DHCPdata.xml -Leases -Force -ComputerName old.network.local –Verbose

3. Copy the file C:\DHCPdata.xml the Windows Server 2016 system.

4. Install and configure the DHCP role on Server 2016 (Same Server 2012 R2 installation steps, Check my related article on DHCP Server 2012 R2 for help).

How to configure and verify the DHCP relay for EX-series switches

SUMMARY:

This article provides information on how to configure and verify the DHCP relay for the EX-series switches.

SYMPTOMS:

How to configure and verify the DHCP relay for the EX-series switches.

CAUSE:

Integrating Dynamic DNS and DHCP with Reverse DNS for 2012 R2

This video explains how to properly setup DHCP with Dynamic DNS for server 2012 R2. However it is backward compatible with other version of server. It also shows how to corrects a problem with reverse DNS and PTR records, which is quite common.