Issue
When trying to sign in to an SSL-enabled Tableau Server from Tableau Prep Builder, the Tableau Server Sign In dialog is blank.
Last Modified Date: 22 Sep 2019
Environment
- Tableau Prep Builder
- Tableau Server
Resolution
To troubleshoot this issue, ensure that the Tableau Server instance is not using an SHA-1 certificate:- In a web browser on the computer running Tableau Prep Builder, go to your Tableau Server instance.
- Click the information "i" symbol or padlock icon next to the address bar.
- If you are using Google Chrome, click 'Certificate'. If you are using Internet Explorer, click 'View certificates'.
- Select the Details tab and check the value for the 'Signature hash algorithm' field. It should not be 'sha1', since this would mean that an SHA-1 SSL certificate is used.
- If an SHA-1 SSL certificate is currently being used with Tableau Server, work with your IT team to acquire an SHA-2 SSL certificate and configure Tableau Server to use this SSL certificate instead.
Cause
The use of an SHA-1 SSL certificate with Tableau Server when connecting Tableau Prep Builder to the Tableau Server instance is not supported.Additional Information
- Most browsers no longer connect to a server that presents an SHA-1 certificate.
- The SHA-2 SSL certificate requirement is stipulated in Configure SSL for External HTTP Traffic to and from Tableau Server.
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