Article - CS337939
Unable to load Beckhoff TwinCAT ADS Communication driver in PTC Kepware Products
Modified: 23-Sep-2025
Applies To
- Kepware Server (formerly KEPServerEX) 6.0.2107.0 N/A to 6.18
- ThingWorx Kepware Server (legacy) 8.0 N/A to 6.18
Description
- Unable to load Beckhoff TwinCAT ADS Communication driver
- Unable to obtain tags from a Beckhoff controller using the Beckhoff Twincat driver
- User is having difficulty connecting to a remote Beckhoff PLC from Kepware
- Receiving error
Unable to generate a tag database for device . Reason: Beckhoff TwinCAT ADS DLL necessary for import is not loaded
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