# Integration of OPC UA HA (historical data)

**URL:** <https://forum.inductiveautomation.com/t/integration-of-opc-ua-ha-historical-data/90213>\
**Category:** Ignition\
**Created:** [May 10, 2024, 8:29am UTC](https://forum.inductiveautomation.com/t/integration-of-opc-ua-ha-historical-data/90213 "2024-05-10T08:29:41Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![jose.granero](https://sea1.discourse-cdn.com/inductiveautomation/user_avatar/forum.inductiveautomation.com/jose.granero/32/11190_2.png) [@jose.granero](https://forum.inductiveautomation.com/u/jose.granero)\
**Post date:** [May 10, 2024, 8:29am UTC](https://forum.inductiveautomation.com/t/integration-of-opc-ua-ha-historical-data/90213/1 "2024-05-10T08:29:41Z")

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I want to retrieve historical data from an OPC UA Server. Can I create a Tag History provider to directly access this data? If not, are there any other options available?

([UA Part 11: Historical Access](https://reference.opcfoundation.org/Core/Part11/v104/docs/#3.1))

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**Author:** ![andrew.budaiev](https://sea1.discourse-cdn.com/inductiveautomation/user_avatar/forum.inductiveautomation.com/andrew.budaiev/32/72921_2.png) [@andrew.budaiev](https://forum.inductiveautomation.com/u/andrew.budaiev)\
**Post date:** [May 10, 2024, 8:48am UTC](https://forum.inductiveautomation.com/t/integration-of-opc-ua-ha-historical-data/90213/2 "2024-05-10T08:48:47Z")

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Looks like Historical Access is not supported.

> [@Using OPC-UA Historical Access in Ignition scripting](https://forum.inductiveautomation.com/t/using-opc-ua-historical-access-in-ignition-scripting/86940/2):
>
> I don't think there's anything you can do to get this working, we don't support OPC UA HA in any capacity.

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**Author:** ![jose.granero](https://sea1.discourse-cdn.com/inductiveautomation/user_avatar/forum.inductiveautomation.com/jose.granero/32/11190_2.png) [@jose.granero](https://forum.inductiveautomation.com/u/jose.granero)\
**Post date:** [May 10, 2024, 2:58pm UTC](https://forum.inductiveautomation.com/t/integration-of-opc-ua-ha-historical-data/90213/3 "2024-05-10T14:58:02Z")

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Thank you, Andrew.

By the look of things, it's becoming a more common need 😉