[KB7010] Upgrade ESET Mail Security for Microsoft Exchange Server from 4.x to the latest version (8.x)

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Issue

  • Best practices for upgrading ESET Mail Security for Microsoft Exchange (EMSX) to version 8

Solution

  1. Uninstall EMSX version 4.x
  2. Install EMSX version 8

Existing customers with a valid business license for ESET Mail Security for Microsoft Exchange (EMSX) may upgrade to the latest version of the same product for free.

Before upgrading to version 8.x
  • ESET Mail Security 8 for Microsoft Exchange can only be managed using ESET PROTECT 8.0 and later. Upgrade to the latest version of ESET PROTECT.
  • Perform a System State backup on your Microsoft Exchange Server. See the Microsoft Knowledge Base article for assistance.
  • Make sure that you have your ESET Mail Security for Microsoft Exchange Server (EMSX) License Key available. If you have lost this information or need to request your license information, visit our Lost License page.
  • If you are installing EMSX on Windows Server 2016, Microsoft recommends to uninstall Windows Defender Features and withdraw from Windows Defender ATP enrollment to prevent problems caused by having multiple antivirus products installed on a machine.
  • When migrating EMSX from version 4.3/4.5 to the latest version, users will need to recreate all rules manually—there is no option to import user-defined rules.
  • Verify that you do not have any pending Windows Updates. If you do, this might cause the migration to fail. See this Knowledgebase article for more details.
Do not install over existing EMSX version 4.3/4.5

We do not recommend that you install over the existing EMSX as it may result in a blue screen error (BSOD).

I. Uninstall EMSX version 4.x

  1. Open ESET Mail Security.
  2. Press the F5 key to open Advanced Setup.
  3. Select Antivirus and antispyware from the Setup tree on the left, deselect Enable Self-defense and then click OK.
Figure 1-1
  1. Restart the server.
  2. Uninstall EMSX version 4.x.
Errors

If you encounter errors when uninstalling EMSX 4.5 using ERA, uninstall ESET manually using the ESET uninstaller tool.

  1. Restart the server after uninstalling EMSX. Continue to part II below to install EMSX version 8.

II. Install EMSX version 8

  1. Download ESET Mail Security 8.
  2. When the download is complete, double-click the installer file to launch the ESET Mail Security installer.
  3. Click Next.
Figure 2-1
  1. Select I accept the terms in the License Agreement and click Next.
    Figure 2-2
  2. Select Complete and click Next.
    Figure 2-3
  3. Click Install.
    Figure 2-4
  4. Click Finish.
    Figure 2-5
  5. Wait for the installation to finish and then click Enter a License Key.
Figure 2-6
  1. Type your License Key issued by ESET in the License kezy field and click Continue. If you do not have your License Key, request your license information to send to you.
Figure 2-7
  1. The dialog window shows Activation was successful. Click Done.
Figure 2-8
  1. Select an option for the Detection of potentially unwanted applications and click OK.
Figure 2-9
  1. Select your participation in the ESET LiveGrid feedback system and click OK.
Figure 2-10
  1. ESET Mail Security for Microsoft Exchange Server is installed and your computer is fully protected.
Figure 2-11
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Last Updated: Jun 23, 2021

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