[ISS Support Case] Old Historian data missing after upgrade

Last updated: March 7th, 2025

Description

Intouch 2014 to SP 2023p3 Historian not showing all data Copied history blocks, ran tag rename utility Conversion was done in Dec 2023, data gaps start appearing as recently as July 2023 and earlier History block sizes match Hist query shows same results as trend Old system is still accessible, does not show these gaps

Author: Kevin Modlin
Published: March 7th, 2025

Details:

Product: Historian

Version: 2023

Solution: [Solution is visible below when you're logged in and have a current subscription]

Date Created:	08/14/2024
Case:	87523

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