Product release and download

Tableau Server 2020.4.12

We recommend using the newest maintenance release of this version, 2020.4.19, which contains additional fixes.

Download Tableau Server 2020.4.19


Build number

20204.21.1215.0012

Download Tableau Server 2020.4.12

Release date

Wed, December 15, 2021

Product support

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Installation Guide
Install and Configure Tableau Server

Planning to upgrade?
Tableau Server Upgrade Page

Changes were applied to improve security. See Apache Log4j2 vulnerability in Security Bulletins for more details.


Resolved Issues

Issue ID Description

Contains updates to Log4J 2.15.0 to mitigate against CVE-2021-44228

1227119

When upgrading to version 2020.4 or newer, and the Server install has continually upgraded from 2018.1 or older while maintaining settings, it may not be possible to complete the upgrade. The upgrade failure message is “An error occurred during installation. Error occurred during encryption/decryption. Upgrade is unable to continue." Please see https://kb.tableau.com/articles/issue/error-an-error-occurred-during-installation-error-occurred-during-encryption-decryption-when-upgrading-tableau-server for solution steps.


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