Thursday, November 27, 2014

Add Trusted Hosts to Tableau Server

Problem: After deploying Tableau dashboards, you are not able to display the dashboard using trusted ticket method. Error returned: "Could not locate unexpired trusted ticket <ticket_number>".

Solution: Although there could be various reason for this error, you might want to check if the IP address in which the Tableau dashboard is going to be displayed, is already added to the trusted hosts in the Tableau server. If it is not yet added, add it to the trusted hosts.
Note: Make sure not to overwrite the existing trusted hosts already added previously.

Assume the host (where the Tableau dashboard is going to be displayed) is: 10.0.0.99

1. Go to the Tableau server, and look for dataserver.properties, located in C:\ProgramData\Tableau\Tableau Server\data\tabsvc\config\ (location might vary).
Search for trusted_hosts, and take note of the existing trusted hosts already added previously.
e.g. trusted_hosts=10.0.0.91, 10.0.100.92. We will include these IPs again later.

2. Add the IP address(es) where Tableau dashboard is going to be displayed. Open Command Prompt, then go to C:\Program Files (x86)\Tableau\Tableau Server\7.0\bin\ (location might vary), and use the command
tabadmin set wgserver.trusted_hosts "<Trusted IP Addresses>" 
to add the trusted hosts. Don't forget to also include the existing trusted IP addresses previously added, separated by comma if there is more than 1 IP address.
e.g. 
tabadmin set wgserver.trusted_hosts "10.0.0.91, 10.0.100.92, 10.0.0.99"

3. Save the configuration by using the command:
tabadmin config

4. Check the file dataserver.properties on step 1 and look for trusted_hosts. Now, the content of the trusted hosts should look like trusted_hosts=10.0.0.91, 10.0.100.92, 10.0.0.99.

5. Restart tableau server by using the command:
tabadmin restart
or run services.msc, then look for Tableau Server (tabsvc) service, and then restart the service.

6. Verify if the Tableau dashboard can be displayed properly (in this case, from 10.0.0.99).

7. That's all, folks!
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