# Tag path changed for historian

**URL:** <https://forum.inductiveautomation.com/t/tag-path-changed-for-historian/113319>\
**Category:** Ignition\
**Created:** [January 15, 2026, 3:40pm UTC](https://forum.inductiveautomation.com/t/tag-path-changed-for-historian/113319 "2026-01-15T15:40:56Z")\
**Posts on this page:** 1\
**Showing post:** 4

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**Author:** ![Nol](https://avatars.discourse-cdn.com/v4/letter/n/8e8cbc/32.png) [@Nol](https://forum.inductiveautomation.com/u/Nol)\
**Post date:** [January 15, 2026, 3:51pm UTC](https://forum.inductiveautomation.com/t/tag-path-changed-for-historian/113319/4 "2026-01-15T15:51:45Z")

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Here's a thread as well. Though this one suggests you can also try editing the sqtlth\_te table instead which if you just made the change and are fine without the new data that's easier. But if this was done a while ago and you're just noticing the data loss then you'd have to do the more manual way.

> [@Merge old tag history with rename new tag history](https://forum.inductiveautomation.com/t/merge-old-tag-history-with-rename-new-tag-history/66157):
>
> Ignition Version 8.1.2 I create a tag and config it history. SQL ID is 5051. Later I rename this tag on 2022-10-19 . SQL ID is 5188. When I query Chart ,I just see the new tag chart. I can't query the old tag and rename new tag chart together. How to merge them together?

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