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Configure Kemp virtual load balancer

In a previous article, we did download and install Kemp virtual load balancer on VMware. Before we configure Kemp for Exchange Server, we will look at Kemp virtual load balancer configuration. Think about licensing Kemp load balancer and setting up the IP address, hostname, and user accounts.

Configure Kemp LoadMaster

Start a web browser and navigate to the Kemp IP address. Insert the IP address that shows up in the Kemp LoadMaster console. In our example, it’s You will get a certificate warning, which you can accept.

Don’t know what the Kemp LoadMaster IP address is? Go back to the previous article and find out how to get the Kemp IP address in the last step.

Configure Kemp virtual load balancer warning

Accept License (EULA)

Scroll down the page and Agree to the Licensing (EULA).

Configure Kemp virtual load balancer licensing (EULA)

License Kemp LoadMaster

Fill in the email address and password that you did register on Kemp’s website. Click License Now.

Configure Kemp virtual load balancer Kemp ID and password

Kemp virtual load balancer will check for your ID in their system. You can choose if you want the 30 days trial or the free version. In our example, we did select the Free LoadMaster, which is Kemp’s free virtual load balancer. Click Continue.

Configure Kemp virtual load balancer license types

You will see the message that the license is validated. Click Continue.

Kemp did send an email that the Loadmaster is licensed.

Set default account password

Configure a password for the default account “bal“. Click Set Password.

Configure Kemp virtual load balancer password required

You did set the password for the default account “bal“. Click Continue.

Log in to Kemp LoadMaster

Specify the credentials and click on Login to enter.

Configure Kemp virtual load balancer login

You will see the home screen of Kemp LoadMaster.

Configure Kemp virtual load balancer home

Set Kemp LoadMaster IP address

Change the IP address of Kemp LoadMaster. Click in the navigation menu on the left side of the screen on System Configuration > Network Setup > Interfaces > eth0. Type an available IP and click Set Address. We will deploy a one-arm configuration.

Configure Kemp virtual load balancer IP address

Reserve the IP address in the DHCP server. In our example, the Windows Server DHCP server is running on a domain controller. This way, you will not have another device that will take the same IP address as the Kemp load balancer.

Set Kemp LoadMaster hostname and DNS configuration

Click on Host & DNS Configuration in the left menu. Set a Hostname, for example, KLB01 (Kemp Load Balancer 01). After that, set the DNS NameServer (IP Address). In our example, it’s the Windows DNS server.

Configure Kemp virtual load balancer hostname and DNS nameserver

Add the Kemp virtual load balancer DNS hostname KLB01 to your DNS server. In our example, the domain controller got the DNS role installed. This way, you can always do a DNS lookup for the IP address. Verify that it works by pinging the Kemp load balancer hostname. You will get a response from the IP address.

Set Kemp LoadMaster Default Gateway

Click in the left menu on Default Gateway. Set the IPv4 default gateway address. Click Set IPv4 Default Gateway.

Configure Kemp virtual load balancer default gateway

Set Kemp LoadMaster Date and Time

Click on System Administration > Date / Time. Set the time zone and click on Set time zone. You can use an NTP host if you like.

Configure Kemp virtual load balancer date and time

Add another user account

We recommend setting a second user account with admin rights. This way, you always have a backup just in case.

In the left menu, click on User Management. Add a username, password, and click Add User.

Configure Kemp virtual load balancer add user

You can see the user with the permissions Read Only. Click on Modify.

Configure Kemp virtual load balancer modify user

Select the checkbox All Permissions. Click on Set Permissions.

Configure Kemp virtual load balancer set user permissions

The user account is set with All Permissions.

That’s it. Everything is ready.

In the next articles, we will configure Kemp LoadMaster load balancer for Exchange Server:


In this article, you learned how to configure Kemp virtual load balancer. The Kemp virtual load balancer configuration steps are essential before you start to use the load balancer. Follow the steps and tick them off one by one.

Did you enjoy this article? You may also like Recreate virtual directories in Exchange Server. Don’t forget to follow us and share this article.



ALI TAJRAN is a passionate IT Architect, IT Consultant, and Microsoft Certified Trainer. He started Information Technology at a very young age, and his goal is to teach and inspire others. Read more »

This Post Has 4 Comments

  1. Amazing blog, thank you!
    P.s. I have one question: we are planing to setup Kemp with 2 network card.
    1. LAN network
    2. DMZ network

    How can we setup this scenario could you explain pls?

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