Event ID - 11728

Event Id11728
Event SourceNetBackup Client application
Description"Product - NetBackup Client application configuration completed successfully."
Event InformationAccording To Veritas:
Details:

Some installations of NetBackup, after being installed and working correctly, may appear to uninstall without administrator or user intervention.

This issue is actually caused by an incomplete installation of NetBackup.
This occurs primarily when NetBackup is installed via Terminal Services and open files are present during installation. When an installation requires a reboot, it is usually due to an open file, as shown in this line of the installation log:
Info 1603.The file C:\WINNT\system32\msvcp60.dll is being held in use. Close that application and retry.

When a file is in use, Windows Installer adds entries to the following keys in the registry:
HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\RunOnce
HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Installer\InProgress
HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Installer\RunOnceEntries
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Session Manager\FileRenameOperations

In cases where NetBackup appears to uninstall itself, neither of these messages will be present. Instead, when any program attempts to install with Windows Installer, a new message will be generated in the Application Event log
Reference LinksVERITAS NetBackup (tm) master server, media server, or client appears to uninstall itself.

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