# OPC DA Callback failure

**URL:** <https://forum.inductiveautomation.com/t/opc-da-callback-failure/114903>\
**Category:** Ignition\
**Tags:** ignition81\
**Created:** [April 6, 2026, 3:33pm UTC](https://forum.inductiveautomation.com/t/opc-da-callback-failure/114903 "2026-04-06T15:33:33Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![bruna.goncalves](https://avatars.discourse-cdn.com/v4/letter/b/9d8465/32.png) [@bruna.goncalves](https://forum.inductiveautomation.com/u/bruna.goncalves)\
**Post date:** [April 6, 2026, 3:33pm UTC](https://forum.inductiveautomation.com/t/opc-da-callback-failure/114903/1 "2026-04-06T15:33:33Z")

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I have a problema with my ignition comunication with a ABB OPC DA SERVER. I have this logs can someone help me with some solution?

 ![image](https://us1.discourse-cdn.com/inductiveautomation/original/3X/e/a/ea8f73b50c9fcd2d7e879db10fc43af760b22988.jpeg)