The "EventSentry Network Services" service has the following prerequisites:
While the Syslog and SNMP daemon functionality is included with EventSentry at no extra charge, you will need to have at least a 10-host "Network Device" or evaluation license installed.
Visual C++ Runtime
The "Microsoft Visual C++ 2008 Redistributable - x86 9.0.30729.4148" runtime needs to be installed, or present in the "%SYSTEMROOT%\system32\EventSentry\Microsoft.VC90.CRT" directory. The installer will automatically install the latter.
Core Service Files
The following files need to be installed in "%SYSTEMROOT%\system32\EventSentry": es_network_svc.exe, QtCore4.dll, QtXml4.dll.