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Error "Worker Initialization Failed" Installing Tableau Server


Published: 13 Nov 2015
Last Modified Date: 15 Mar 2017

Issue

When installing Tableau Server, the following error might occur:

Worker initialization failed

Environment

Tableau Server 9.x

Resolution

Move process listening on port 12000 to another port or disable process listening on port 12000.

Cause

Another process was listening on port 12000.
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