Article - CS382411
Error code 0X800A0000 is reported for Polled reads and Bad tag quality is returned in OPC UA Client driver in PTC Kepware products
Modified: 16-Sep-2025
Applies To
- Kepware Server (formerly KEPServerEX) 6.5.829.0 to 6.18
- ThingWorx Kepware Server (legacy) 6.8 to 6.18
Description
- Error code 0X800A0000 is reported for Asynchronous reads and Bad tag quality is returned in OPC UA Client driver in PTC Kepware products
- Warnings are as below
-
Read request failed on device. | Status description = 'The operation timed out.', Status code = 0X800A0000
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