NTSet 

A Delphi/C++ component pack to easily acess Windows API: Windows services, event logging, user privileges and credentials, shared devices, file access rights, registry security, remote administration, scheduling and messaging, network browsing etc.
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Winalysis 

Archive Event Logs from multiple computers to a central database. Monitor for changes to files, the registry, users, groups, services, security policies, and more. Restore files and the registry from snapshots. User account auditing and analysis.
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ActiveXperts Network Monitor 

ActiveXperts Network Monitor is the leading solution for monitoring all aspects of your LAN and WAN servers, workstations and devices. ActiveXperts Network Monitor supports Windows platforms, UNIX platforms, Linux platforms, and Novell platforms.
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ServerSweep Professional 

ServerSweep Professional has been designed from the ground up by experienced Microsoft Windows NT / 2000 Server support engineers and consultants to provide the very best in Microsoft Server Monitoring.
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EventTracker for Windows 

EventTracker tracks all events of Windows NT/2000 systems of your network at central location. It displays all the events in real time and logs events into a database
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Ascella Log Monitor 

Allows users to monitor events recorded in the Application, Security, System logs, dispatches the notifications about events via LAN, which can be received by the Windows NT4/2000 Messenger service, and using e-mail, SMS and ICQ (via e-mail gates)
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