List of improvements available in Neverfail Heartbeat version 4.4

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INSTALLATION
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New Neverfail Heartbeat installation program "Setup.exe" provides a more robust and recoverable installation process:

- Improved automatic retrieval of system specific information during all stages of install for Neverfail Heartbeat v4.4 Core, Application Modules and AM(X)s.
- Setup process can be exited and configuration saved at certain points in the install.
- A partially completed installation can now be resumed.
- Certain system checks are enforced to prevent installs on incompatible systems. For example OS, Service Pack, Windows directory.
- Detailed install / uninstall audit log for support and troubleshooting purposes.
- Consistent look and feel throughout all stages of the installation.

RUNTIME
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Neverfail Heartbeat release V4.4 offers improved system reliability and performance over previous versions of the software. Improvements and changes detailed by component:


Interceptor Component:

Improved handling of
- Frequent file / folder renames during full system check.
- Short-to-long file name translation.
- STOP operations under load.
- Flush volume operations during a STOP operation.

Performance improvement has been gained from Heartbeat using the Windows system pagefile, instead of NFPagFil.sys.


Controller Component:

- Neverfail Heartbeat is now dependent on the WMI (Windows Management Instrumentation) service during startup.


Neverfail Heartbeat Tool Tray Icon:

Tool tray icon now reports the following component versions for support purposes:
- Heartbeat version, gathered from registry.
- Tool tray icon version.
- The Neverfail.jar version.


Manager Component:

- Enhanced gathering of configuration information which is then displayed by the Neverfail Heartbeat Management Console.
- Avoid repeated reconnection of nfclient with commands.


Channel Component:

Improved handling in the CommsMgr
- When out of physical disk space events occur.
- When excessive unsent messages are present in the send queue.
- For CPU thread prioritisation during file system verify and synchronize tasks.

Default HandshakeTimeout is now 30 seconds, for greater channel resilience


Registry Interceptor:

- Improved handling of resource allocation failure.

KBID-386

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