KNOWLEDGE BASE
Tableau Desktop Quits Unexpectedly Connecting to Tableau Online Data
Published: 31 Dec 2020
Last Modified Date: 04 Jan 2021
Issue
When connecting to Tableau Online data source, Tableau Desktop quits unexpectedly.
Information similar to the following can be found in log.txt:
2020-12-30T15:25:49.568: 3617-c900 MSG
Attempting to reestablish login for https://[InstanceName].tableau.com with refresh token
2020-12-30T15:25:49.570: 3617-c905 MSG
Execution of PAC script at "http://wpad/wpad.dat" failed: The operation couldn’t be completed. (NSURLErrorDomain error -1003.)
Resolution
Disable auto proxy discovery.
Instruction of Disabling proxy settings on macOS
- Click the Apple icon then select the System Preference option.
- Select Network.
- From the left pane, select the network service you wish to disable the proxy settings on, then click the Advanced button.
- Select the Proxies tab then uncheck all protocols under Select a protocol to configure then click OK once done. Done!

Cause
This behavior can be caused by proxy auto-configuration failing.