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TableauException: Failed to connect to external service (ext-svc-type-unknown xxxx:9004): The connection type is unknown, please select a supported connection type.

I'm trying to set-up a TabPy connection to a Tableau Server, but run into the above error. I've set

 

tsm configuration set -k vizqlserver.extsvc.host -v <my-ip-address>

tsm configuration set -k vizqlserver.extsvc.port -v 9004

 

to no avail. I recently configured another Tableau server with TabPy and this was sufficient.

 

In addition, I'm able to connect to the TabPy instance on a local workbook through "Manage external service connection".

 

Does anyone have tips on what settings I could try to change on my server to get it running?

6 answers
  1. Jan 2, 2020, 12:43 PM

    tsm security vizql-extsvc-ssl enable --connection-type "tabpy" --extsvc-host IP--extsvc-port 9004 --script-disabled "false"

    tsm pending-changes apply

    This solved the problem (solution from the GitHub issue tracker linked above). The difference was the flag --script-disabled, which seems to require explicit handling after 2019.4.

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