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How to roll back the Anti-Malware Scan Engine for Security for Domino
Technical Articles ID:   KB66692
Last Modified:  5/3/2019
Rated:


Environment

McAfee Anti-Malware Scan Engine 6.x.xx
McAfee Security for Domino 7.5

Summary

This article helps you if you have inadvertently updated Security for Domino 7.5 to one of the following, before fully testing it in your network:
  • The latest Anti-Malware Scan Engine
  • A beta or release candidate Anti-Malware Scan Engine

Solution

CAUTION: This article contains information about opening or modifying the registry.
  • The following information is intended for System Administrators. Registry modifications are irreversible and could cause system failure if done incorrectly.
  • Before proceeding, Technical Support strongly recommends that you back up your registry and understand the restore process. For more information, see: http://support.microsoft.com/kb/256986.
  • Do not run a REG file that is not confirmed to be a genuine registry import file.

To roll back to the previous Engine, both the previous 5x00.xxxx Engine folder and files must exist in the Security for Lotus Domino folder structure. If the folder and files for the previous Engine have been removed, contact Technical Support (see the Related Information section).
  1. Ensure that the previous Engine folder and files are present.
    1. Start Windows Explorer.
    2. Navigate to the following folder: <Security for Lotus Domino install folder>\bin\Engines 
      (default is C\Program Files (x86)\McAfee\Security for Lotus Domino\bin\Engines\)
    3. Ensure that the 5x00.xxxx folder exists and contains files.
       
  2. Modify the registry to set the Engine version you would like Security for Lotus Domino to use:
    1. Click Start, Run, type regedit, and click OK.
    2. Navigate to the following registry key:

      HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\McAfee\Security for Lotus Domino\SystemState
       
    3. In the right pane, double-click EngineVersion.
    4. Change the Value data field, and then click OK. For example, specify 5x00.xxxx.
    5. Close the Registry editor.
       
  3. Restart the Security for Lotus Domino Service:
    1. Click Start, Run, type services.msc, and click OK.
    2. Right-click McAfee Security for Lotus Domino and select Restart.
    3. Close the Services window.
       
  4. Verify that Security for Lotus Domino is now using the earlier Engine:
    1. Click Start, All Programs, McAfee, Security for Lotus Domino, Product Configuration.
    2. Under Dashboard, click Statistics and Information.

      In the right pane, you see the following information if you are rolling back to the previous Incremental Engine:

      NOTE: The currently supported Engine is 5.9.00 (5900), the previous Engine is 5800.xxxx, and the next proposed release is 6000.xxxx
       
      Anti-Virus Engine | DAT Version | Extra Drivers: 5900.xxxx | ####.0000
 
Example - Rolling back the 6000 engine when it was inadvertently deployed to Security for Lotus Domino​ 7.5 P3
  1. Start Windows Explorer.
  2. Navigate to the following folder: <Security for Lotus Domino install folder>\bin\Engines 
    (default is C\Program Files (x86)\McAfee\Security for Lotus Domino\bin\Engines\)

    There are at least two engine folders:
5900.7501
6000.xxxx (the beta or RC number of the release determines the full name of engine folder)
  1. Ensure that the 5900.7501 folder contains the following files:
config.dat
McScan32.dll (version 5.900.0.7501)
SignLic.txt.

To set the Engine version you would like Security for Lotus Domino to use, modify the registry:
  1. Click Start, Run, type regedit, and click OK.
  2. Navigate to the following registry key:
HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\McAfee\Security for Lotus Domino\SystemState
  1. In the right pane, double-click EngineVersion. Value Data is 6000.xxxx if a build of 6000 was deployed.
  2. Change the Value Data by typing 5900.7501, so it reflects the name of the 5900 engine folder.
  3. Close the Registry editor.
  4. Restart the Security for Lotus Domino Service:
    1. Click Start, Run, type services.msc, and click OK.
    2. Right-click McAfee Security for Lotus Domino and select Restart.
    3. Close the Services window.
       
  5. Verify the version information contained on the Security for Lotus Domino home page, to ensure that Security for Lotus Domino is now using the 5900.7501 scan engine.

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