Forum Discussion
Set up Power BI Gateway Error (Connection PostgreSQL)
Unable to connect: We encountered an error while trying to connect to. Details: "We could not register this data source for any gateway instances within this cluster. Please find more details below a...
Anonymous,
According to the above error message, the issue is related to .Net Framework config file. Please open machine.config file under C:\Windows\Microsoft.NET\Framework64\v4.0.30319\Config, search DbProviderFactories and delete extra DbProviderFactories section.
There is a similar blog for your reference.
http://laurenthinoul.com/how-to-solve-dbproviderfactories-section-can-only-appear-once-per-config-file-error/
Regards,
Lydia
Anonymous Thank you for your advice, I know for the solution in this case. Add IP address in the server config to PostgreSQL DB.