Virtual Connection Data Policy Does Not Support ISMEMBEROF()

Published: 10 Mar 2023
Last Modified Date: 04 Jul 2023


After creating a virtual connection using ISMEMBEROF() function in data policy, the following error is displayed when trying to use that connection to create a workbook:

Unknown error: An error occurred while accessing data. Contact your Tableau administrator. (code=13)

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The published connection returns no data in Tableau Desktop or when using the Web Edit option on Tableau Server.


  • Tableau Server versions older than 2022.3.6 (18 May 2023)
  • Windows Server


Upgrade to Tableau Server version 2022.3.6 or newer.


This is a known issue that is resolved in more recent version of Tableau Server.

Additional Information

Data policy creation in Tableau Server:

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