Error "Operation timed out" When Connecting to Tableau Server

Published: 06 Sep 2021
Last Modified Date: 08 Sep 2021


When trying to connect to Tableau Server, a "Processing Request. Sending data to server" dialog appears, and an "Operation timed out" error occurs after about 1 minute.


  • Tableau Desktop
  • Tableau Server
  • Windows


  1. Click the Window Start button, type gpedit.msc in the 'Search programs and files' box, and then press ENTER.
  2. In the console tree under Local Computer Policy\Computer Configuration\Windows Settings\Security Settings, click Public Key Policies.
  3. Double-click Certificate Path Validation Settings, and then click the Network Retrieval tab.
  4. Select the 'Define these policy settings' check box.
  5. Clear the 'Automatically update certificates in the Microsoft Root Certificate Program (recommended)' check box.
  6. Under 'Default retrieval timeout settings', enter a timeout value of 1 in the 'Default URL retrieval timeout (in seconds)' box, and then click OK to apply the new settings.
  7. Restart Tableau Desktop.
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