Kepserver Enterprise Vs Kepserverex ((hot)) Jun 2026

Kepware uses a hardware-locked license (ethernet MAC address or dongle). In Enterprise, both nodes must have matching licenses, but only the active node consumes the "runtime" seat. If the standby node becomes active and the original node returns, there is a 60-second grace period to avoid double-consumption. Plan for this during failover testing.

: Specifically optimized to coexist with Allen-Bradley equipment in a FactoryTalk environment. It allows FactoryTalk visualization and information software to interact with non-Rockwell hardware using OPC DA or OPC UA interfaces. 2. Bundled Drivers kepserver enterprise vs kepserverex

: This is the standard, flagship product developed and sold directly by Kepware (a PTC company) . It is a standalone connectivity platform that provides over 150 device drivers to connect diverse automation devices to digital applications via protocols like OPC UA , OPC DA , and MQTT . Kepware uses a hardware-locked license (ethernet MAC address

Now evolved and modernized into Kepware Server , this is the flagship, independent OPC software platform developed by PTC. It is a Windows-based application that provides a comprehensive suite of drivers, allowing automation professionals to connect to virtually any industrial device (PLCs, RTUs, PACs) and stream that data to higher-level systems. Plan for this during failover testing

Many engineers assume the standby node sits idle. The standby node actively polls all PLCs at the same rate as the active node to maintain current values. This doubles the load on your industrial network. If you have 100 PLCs, each polled 10x/sec, the standby node adds another 1000 polls/sec. Ensure your network switches can handle it.

The choice between KEPServer Enterprise and KEPServerEX is not a matter of performance, reliability, or driver capabilities. Under the hood, they are the same powerful engine.