Article - CS419647
Error "Tag write failed. | Tag address = '<address>', Status description = The operation timed out.', Status code = 0X800A0000" in OPC UA Client driver of PTC Kepware Products
Modified: 19-Aug-2025
Applies To
- Kepware Server (formerly KEPServerEX) 6.0.2107.0 to 6.18
- ThingWorx Kepware Server (legacy) 8.0 to 6.18
Description
- Tag Write fails in OPC UA Client driver
- Error "
Tag read failed. | Tag address = '<address>', Status description = The operation timed out.', Status code = 0X800A0000" - User having trouble trying to write from 1 kepware server to another and getting bad tag quality and read/write timeouts with UA Client driver
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