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How do I Download and Install ESET Mail Security 4.5 for Microsoft Exchange Server?


End of support for version 4 ESET Mail Security products

ESET Mail Security version 4 has reached End of Life status. This product is no longer receiving detection updates to protect against malware. You must upgrade to a more recent version in order to be protected against threats.


I. Download ESET Mail Security for Microsoft Exchange Server

  1. Check your operating system version and have your ESET-issued username and password ready; reference your confirmation email for this information. If you forgot your username or password, visit our Lost License page
  2. Request the installer file from your local ESET partner. How can I contact my local ESET partner for support?
  3. Remove previously installed antivirus software. It is important that any previously installed antivirus software is uninstalled from your system before installing your ESET product.

II. Install ESET Mail Security for Microsoft Exchange Server

Error messages

If an error message is displayed during installation, and you previously had an ESET  product for Microsoft Exchange Server installed on your computer, verify that you have uninstalled it completely. Afterward, attempt to reinstall ESET Mail Security 4.5 for Microsoft Exchange Server.

If you are running Windows 2008 with User Account Control (UAC) turned on, you may be prompted with additional dialog boxes not shown in the steps below. If prompted, please confirm that you wish to install ESET Mail Security 4.5 for Microsoft Exchange Server, as well as any associated device drivers.

  1. To begin your installation, double-click the ESET Mail Security for Microsoft Exchange Server installer icon that you downloaded from above. If you are prompted by Windows to open the file, click Open.
  2. The ESET Mail Security window will appear. Click Next to continue.

    Figure 1-1

  3. Select I accept the terms in the License Agreement and then click Next to continue.

    Figure 1-2

  4. Select Typical and click Next to continue.

    Custom installations

    Selecting Custom install will display additional configuration parameters such as choosing whether program components download without user intervention. If you select Typical (recommended) the additional configuration parameters can be accessed after installation is complete.

    Figure 1-3

  5. Enter your ESET-issued Username and Password and click Next.

    Usernames and Passwords

    Remember to enter your Username and Password exactly as they are written:

    • The username and password are case sensitive
    • 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

    I forgot my Username and Password

    Figure 1-4

  6. Click Add to locate and upload your ESET Mail Security for Microsoft Exchange Server license file (sent you after purchasing your ESET license). When you are finished, click Next to continue.

    Figure 1-5

  7. Select the Enable ThreatSense.Net Early Warning System option and click Next to continue.

    Figure 1-6

  8. Select your preferred option (see What is a potentially unwanted application?) and click Next.

    Figure 1-7

  9. Click Install to continue.

    Figure 1-8

  10. The Installing ESET Mail Security window will display for a few minutes. Once the installation is complete, click Finish.

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