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Error "The protocol is disconnected!" When Connecting to PostgreSQL


Published: 30 Mar 2022
Last Modified Date: 31 Mar 2022

Issue

When connecting Tableau Desktop to a PostgreSQL database, the following error may occur:

Error Code: 2868C972
The protocol is disconnected!

Environment

  • Tableau Desktop 2020.4
  • Windows
  • PostgreSQL 10.6

Cause

The PostgreSQL JDBC driver may be incompatible with your PostgreSQL database.
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