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Tableau Server Upgrades
Windows versions of Tableau Server starting with 2018.2 come with a new web-based server configuration utility called Tableau Services Manager (TSM). Upgrading from 2018.1 or earlier to a newer version will require special steps in order to upgrade successfully. Please see this article for instructions on what has changed to ensure your upgrade experience goes well. The latest releases of Tableau Server 2018.2 and Tableau Server 2018.3 can be found on the Tableau Server release page.
This release is an important update to address the following product issue in Tableau Server 8.1. It does not affect Tableau Desktop.
Note: Tableau Online will not be upgrading to 8.1.1 until December 7, 2013. Please do not upgrade any workbooks you intend to publish to Tableau Online until that upgrade occurs.