Kepserver Enterprise Vs Kepserverex Info

KEPServer Enterprise 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)

is an equivalent version of KEPServerEX specifically rebranded, sold, and supported by Rockwell Automation for use within their FactoryTalk ecosystem KEPServerEX is the standard commercial product from PTC/Kepware kepserver enterprise vs kepserverex

Which One Should You Choose?

Choose KEPServerEX (Standard Tier) if:

• You have a small scope: You are connecting a single piece of equipment (like a packaging machine) to a local HMI.
• Tag counts are stable and low: You know you only need 500 tags and won't suddenly double that number next month.
• Budget is the primary constraint: You need specific functionality (e.g., just Modbus TCP) and don't want to pay for features you won't use.
• You are an OEM: You are building a machine to sell to a customer and need a cheap, embedded connectivity solution.

At first glance, they look identical. Both use the same user interface (the renowned Kepware Configuration API). Both support the vast library of plug-in "drivers" (ranging from Allen-Bradley to Siemens to Modbus). Yet, they serve fundamentally different markets and architectural needs. KEPServer Enterprise and KEPServerEX (now being unified into

Choose KEPServerEX if:You use HMIs or SCADA from different vendors (like Inductive Automation, AVEVA, or Siemens), or if you require the absolute latest IoT connectors and niche drivers as soon as they are released. You have a small scope: You are connecting

What is Kepserver Enterprise?

Kepserver Enterprise is distributed, high-availability data streaming platform. It is not a different server, but rather a constellation of KepserverEX instances managed as a single logical device.

GOTCHA #3: OPC UA Redundancy is NOT the same as Kepserver Enterprise

OPC UA specifications define "Redundant Servers" (client automatically reconnects). KepserverEX 6.x supports OPC UA Redundancy. However, this only handles client reconnection—it does not synchronize alarm states or tag values. For true bumpless failover, you still need Kepserver Enterprise.

• KepServerEX is the software; “Enterprise” describes how it’s deployed, licensed, and supported for large-scale, high-availability, centrally managed systems. For small deployments, a standard KepServerEX instance is sufficient; for large, distributed, mission-critical environments, adopt an enterprise architecture: multiple engines, HA, centralized management, and enterprise licensing.

4. Aggregation vs. Single Node

• KEPServerEX (Standard): Often deployed as a "Point Solution." Example: Installed on a CNC machine to talk to the CNC controller and send data to a local HMI.
• KEPServer Enterprise: Designed for "Aggregation." Example: Installed on a dedicated server in a control room. It pulls data from 20 different PLCs (Siemens, Allen-Bradley, Modbus) and aggregates them into a single interface for SCADA, MES, and Cloud systems.