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How to Download and Install ESET NOD32 Antivirus Business Edition on a server (4.x)


This ESET product is not available for direct download

The following ESET business products are no longer available for download from ESET download servers:

  • ESET Mail Security for Microsoft Exchange Server 4.2, 4.3, 4.5
  • ESET NOD32 Antivirus Business Edition 3, 4
  • ESET Smart Security Business Edition 3, 4
  • ESET File Security for Linux/BSD/Solaris 3, 4

These products are still supported but have been replaced with the latest versions, which contain many security and feature improvements. For more information regarding the ESET End of Life policy, see Is my ESET product supported? ESET End of Life policy (Business products)

If you need to install one of these products, please contact your local ESET partner for more information and to obtain installer files. 




ESET File Security for Microsoft Windows Server is now available. ESET File Security for Microsoft Windows Server is designed specifically to replace ESET endpoint products (ESET Endpoint Security, ESET Endpoint Antivirus, ESET NOD32 Antivirus Business Edition and ESET Smart Security Business Edition) for use on servers (domain controller).

If you are currenly running ESET endpoint products on your server, we highly recommend upgrading to ESET File Security for Microsoft Windows Server. For more information about ESET File Security for Microsoft Windows Server and how to upgrade, visit the following Knowledgebase article. 


To download and install ESET NOD32 Antivirus Business Edition on a server running Microsoft® Windows® 7/Vista/Home Server/XP/2008 R2/2008/2003 R2/2003/2000, refer to the following step-by-step instructions:

Download ESET NOD32 Antivirus Business Edition


Before downloading:

  1. Request the installer file from your local ESET partner. How can I contact my local ESET partner for support?

  2. Remove previously installed antivirus software. It is important that any previously installed antivirus software is uninstalled from your system before installing your ESET product.

Install ESET NOD32 Antivirus Business Edition

  1. To begin installation, double-click the ESET NOD32 Antivirus installer icon "eavbe_nt32_enu.msi".
  2. The ESET NOD32 Antivirus Setup window will open. Click Next to continue.

    Figure 1-1

  3. In the next window, select I accept the terms in the License Agreement and click Next to continue. 
  4. In the Installation Mode window, select Typical and click Next to continue. 


    Selecting Custom will display additional configuration parameters such as password protection of ESET NOD32 Antivirus settings. If you select Typical (recommended) the additional configuration parameters can be accessed after installation.

    Figure 1-2

  5. In the Automatic update window, enter your ESET-provided Username and Password and click Next to continue. 


    Please remember to enter your username and password exactly as they are written:

    • The username and password are case sensitive and the hyphen in the username is necessary
    • The password is ten characters long and all lowercase
    • If you are copying and pasting, make sure you don't select an extra blank space
    • We do not use the letter L in passwords (use the number one (1) instead)
    • A big '0' is the number zero (0), a little 'o' is the lowercase letter o 
    • If you are still having issues, visit our Lost License Page.

    Figure 1-3

  6. In the ThreatSense.Net Early Warning System window, make sure that the checkbox next to Enable ThreatSense.Net Early Warning System selected and click Next to continue.

    Figure 1-4

  7. In the Detection of potentially unwanted applications window, select your preferred option (see What is a potentially unwanted application?) and click Next.

    Figure 1-5

  8. In the next window, click Install to continue.

    Figure 1-6


  9. Once you click Install, you will see the Installing ESET NOD32 Antivirus window (below) for a few minutes.

    Figure 1-7

Figure 1-8

  1. When the installation is complete, click Finish.



For step-by-step instructions on how to set up your ESET security product on a server, refer to the following Knowledgebase article:



How do I configure a Mirror server using ESET Smart Security Business Edition or ESET NOD32 Antivirus Business Edition?

How do I set up my Business Edition ESET security product on a network?

How do I receive a license key for the Business Editions of ESET security products?

How do I remotely install ESET NOD32 Antivirus (4.x) on Windows Home Server?