How to upgrade Neverfail Heartbeat version V4.3.3 or V4.3.5 to V4.3.6

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Please Note: You should not execute this patch more than once on the same machine.


SUPPORTED NEVERFAIL VERSIONS
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You may upgrade from the following Neverfail versions to V4.3.6 using the upgrade patch:

- V4.3.3
- V4.3.5

For customers using 4.x (versions older than 4.3.3) please see note at the end of the article.

The upgrade patch does not work on pre-V4.x kits or 4.3.x kits prior to the ones stated above. You cannot upgrade from any Neverfail Heartbeat version 3.x

The upgrade patch may be executed using Windows Terminal Services or Remote Desktop if required, though you should bear in mind that it may be necessary to physically disconnect the passive server from the network.


BEFORE YOU BEGIN:

- Please ensure you have read and fully understood the instructions below BEFORE attempting to install the patch.

- It is necessary to reboot both servers during the upgrade process, as Neverfail Heartbeat drivers are updated on both Active and Passive servers; so a small amount of downtime will be required.




HOW TO APPLY THE NEVERFAIL V4.3.6 PATCH TO YOUR SERVER PAIR
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To successfully apply the Neverfail 4.3.6 patch to your system, please perform the following steps:

On a remote client PC, or the ACTIVE server, as appropriate:

1. Download V4.3.6-patch.zip from the appropriate product area of the Neverfail Partner Extranet. Extract the file V4_3_6_37_Patch.exe to both your Active and Passive servers, and to any remote client PCs running the Neverfail Heartbeat Management Client.

2. Shutdown Neverfail Heartbeat, selecting the option “Shutdown Neverfail Heartbeat but leave the protected application running”

On the PASSIVE server:

3. Disconnect the Public network card on the PASSIVE server from the network. This may be done by unplugging the network cable, or by disabling the network card.

4. Execute the patch on the PASSIVE server by double-clicking on the file V4_3_6_37_Patch.exe. Follow the instructions displayed to install the patch.

5. Reboot the PASSIVE server when prompted. After the reboot, the upgraded version of Neverfail Heartbeat will be running on the PASSIVE server, which is still disconnected from the network.

6. Right-click on the Neverfail System Tray icon, and select 'About Neverfail Heartbeat'. Check that the version displayed is V4.3 (build 37)

7. Type the following from a Command prompt:


This should return the message 'Filter state is Filter'

On the ACTIVE server:

8. Execute the patch on the ACTIVE server by double-clicking on the file V4_3_6_37_Patch.exe. Follow the instructions displayed to install the patch.

9. Reboot the ACTIVE server when prompted. After the reboot, the upgraded version of Neverfail Heartbeat will be running on the ACTIVE server.

10. Right-click on the Neverfail System Tray icon, and select 'About Neverfail Heartbeat'. Check that the version displayed is V4.3 (build 37)

11. Type the following from a Command prompt:


This should return the message 'Filter state is PassThru'

On the PASSIVE server:

12. Reconnect the Passive server to the network

You should also upgrade any remote client PCs running the Neverfail Heartbeat Management Client:

13. Ensure that the Management Client is closed, and close any other applications you may have open on the Active and Passive servers.

14. Execute the patch on the remote client PC by double-clicking on the file V4_3_6_37_Patch.exe. Follow the instructions displayed to install the patch.

15. Reboot the remote client PC when prompted.

On a remote client PC, or the ACTIVE server, as appropriate:

16. Use the Neverfail Heartbeat Management Client to check that the Neverfail Channel is connected and that a full system check is in progress.


NOTE FOR USERS UPGRADING FROM NEVERFAIL V4.1 SP1 AND NEVERFAIL V4.2
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The v4.3.6 patch cannot be used to upgrade directly from versions older than 4.3.3. Users that have versions V4.1 SP1, V4.2, V4.3.1, V4.3.2 of Neverfail running will need to upgrade to versions 4.3.3 (see KB article 348) or 4.3.5 (See KB article 373) before applying the 4.3.6 upgrade.

Neverfail Heartbeat V4.3.x versions support an extended set of configurable Alerts. In order to preserve your existing Alert configuration, the upgrade patch does not modify any Alert settings when it is installed. You should manually configure any additional alerts you require after installing the patch. This may be done from the 'Alerts' panel of the Neverfail Heartbeat Management Client.

KBID-425

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