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Tableau Desktop authentication to Tableau Server fails after installing October Microsoft Cumulative Windows update


Published: 26 Oct 2022
Last Modified Date: 26 Oct 2022

Issue

When trying to sign in Tableau Server from Tableau Desktop, an error occurs:

Internet communication error: SSL connect error

Environment

  • Tableau Desktop 2021.1.7 and above
  • Windows

Resolution

Install the Windows Update KB5020435 (for Windows 10 version 20H2 – 21H2). According to Microsoft's KB5020435 page:
  • It addresses an issue that might affect some types of Secure Sockets Layer (SSL) and Transport Layer Security (TLS) connections. These connections might have handshake failures. For developers, the affected connections are likely to receive one or more records followed by a partial record with a size of less than 5 bytes within a single input buffer. If the connection fails, your app will receive the error, “SEC_E_ILLEGAL_MESSAGE”.


Note: If you are using a different Windows version, the required Windows Update will be different. Pick the right one and open from the below list in that case:

 

Cause

The issue was caused by the October Microsoft Security Update (KB5018410) which affects some types of Secure Sockets Layer (SSL) and Transport Layer Security (TLS) connections. These connections might have handshake failures. 
 

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