KNOWLEDGE BASE

Restore error: Failed to Convert SSL Certificate to .der Format


Published: 26 May 2017
Last Modified Date: 01 Feb 2018

Issue

When attempting to restore a backup, the following error may occur, 
 
"Restore Error: Failed to convert SSL certificate to .der format."
OR
 
In-place upgrade of Tableau Server succeeds, but then Tableau Server does not start and tabadmin.log file shows,
 
"Failed to convert SSL certificate to .der format."

Environment

  • Tableau Server 10.0.0, 10.0.1, 10.1.1, 10.2.0, 10.3.0, 10.5.0
  • External SSL
  • Site-Specific SAML

Resolution

Follow these steps:
  1. Use the "Configure Tableau Server" menu to disable SSL.
  2. Restore the backup with "--no-config" or attempt the upgrade.
  3. Re-configure SSL.

Cause

Currently unknown.
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