After installing the Automation Engine and the UC4 SNMP sub-agent, the generated SNMP traps contain incorrect information ․
SYMPTOMS:
The trap number is missing from the event data
The traps contain invalid or corrupt characters
The SNMP agent fails to create a log file
The event viewer application log shows invalid characters for data and the trap number is missing
Automation Engine 24․4․1 HF2 / 24.4.2.HF1
UC4 SNMP sub-agent 24․4․0+build․1741626178612
DE178336
An issue has been solved that caused the Automation Engine (Windows) to create invalid SNMP trap information.
Update to a fix version listed below or a newer version if available.
Fix version:
Component(s): Automation Engine - SNMP
Automation.Engine 24.4.4 - Planned release March 2026