When publishing a workbook or data source with embedded OAuth credentials from Tableau Desktop through a forward proxy, the following unexpected error occurs:
Gateway timeout. Check to make sure the service is running
Error Code: C926DA9F
There is no issue if OAuth credentials are not embedded.
This unexpected server error occurs when the correct forward proxy is not configured to pass OAuth credentials.
Configure a forward proxy for OAuth authentication for Tableau Desktop and make sure to pass through the correct forward proxy.
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