and KEPServerEX (now being unified into Kepware Server ) are essentially the same core technology but packaged for different users. The primary difference lies in who sells and supports it , and how it integrates with your existing industrial software suite. Quick Comparison Table KEPServer Enterprise KEPServerEX (Legacy) / Kepware Server Vendor Rockwell Automation PTC / Kepware Target Use Rockwell-centric systems (FactoryTalk) Multi-vendor industrial connectivity Licensing FactoryTalk Activation Kepware License Utility Support Rockwell Automation PTC Kepware Restriction Sold ONLY with Rockwell applications Standalone or bundled with various HMIs 1. KEPServer Enterprise (The Rockwell Version)
At the end of the day, both KepserverEX and Kepserver Enterprise compile to the same kepserver.exe binary. The difference is entirely in the operational model and data synchronization layer . kepserver enterprise vs kepserverex
Based on benchmark tests from Kepware user groups and internal PTC documentation: and KEPServerEX (now being unified into Kepware Server
KepServerEX is a flagship product of Kepware, designed to provide a unified interface for accessing and managing industrial data. It's a server-based solution that enables users to connect to various devices, such as PLCs, CNCs, and other control systems, using a range of communication protocols. KepServerEX offers features like: KEPServer Enterprise (The Rockwell Version) At the end
If you're ready to move forward, I can help you or outline a migration plan from an older OPC server. How to set up a secure OPC UA gateway between the two?
OPC UA specifications define "Redundant Servers" (client automatically reconnects). KepserverEX 6.x supports OPC UA Redundancy. However, this only handles client reconnection—it does synchronize alarm states or tag values. For true bumpless failover, you still need Kepserver Enterprise.