[ISS Support Case] With regard to the _TagExtendedProperties table what level security rights are needed in order to see the TagName column in views or tables?

Last updated: October 17th, 2025

Description

With regard to the _TagExtendedProperties table what level security rights are needed in order to see the TagName column in views or tables? If the account uses aaAdministrator rights to the database, the TagName column is available. The account being used has db_datareader access which does not see the TagName column.

Author: Kevin Modlin
Published: October 17th, 2025

Details:

Product: Historian

Version: 2020

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

Date Created:	08/03/2022
Case:	82228

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