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PowerApps Postgres Connection failing for Azure Hosted PostgreSQL, same gateway & DB works for PowerBI

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Posted on by TJL

Hi all,

I'm trying to create a PowerApps Connection to an Azure Hosted PostgreSQL Database using an exisiting On Premises Data Gateway. The same Gateway is currently used by PowerBI Pro to connect to the same database on the same server and it works fine.

When trying to make the connection via Powerapps Connection screen it fails, saying: Credentials are missing or not valid. inner exception: The credentials provided for the PostgreSQL source are invalid. (Source at servername.postgres.database.azure.com;databasename.) clientRequestId:

Creds have been checked 100 times.

Powerapps can use the same gateway to connect to a non-azure hosted postgres instance that doesn't require the username to be in the username@serverhostname format.

I'm not sure if its a bug with the PowerApps Postgres connector that is in preview or the gateway

Looking for ideas, throughts, directions or places to file bugs for PowerApps Connectors

TJL

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Building Power Apps

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v-monli-msft on at

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Hi @TJL ,

After some research, it seems that so far there is no document published for PostgresSQL about the connecting steps.

Please check if below thread could help:

https://powerusers.microsoft.com/t5/General-Discussion/Postgres-connection/td-p/63839

Regards,

Mona

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TJL 5 on at

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Hi Mona,

I have reviewed that documentation but I'm not using ODBC, I'm using NPGSQL (https://www.npgsql.org). The same gateway (using NPGSQL) on same machine works perfectly for PowerBi to connect to Azure Hosted PostgreSQL but not when using the PowerApps connector via the same gateway.

I found this documentation: https://docs.microsoft.com/en-us/connectors/postgresql/ ,but under https://docs.microsoft.com/en-us/connectors/postgresql/#creating-a-connection it just refers to entering a username and doesn't mention the format.

I think the connector doesn't support usernames in the username@serverhostname format that Azure Hosted PostgreSQL uses or doesn't pass the information correctly to the On Premise gateway.

I can PowerApps connector via the same gateway to connect to a local PostgreSQL instance that doesn't use the username@serverhostname format, but that doesn't help me connect to Azure Hosted PostgreSQL! 😞

Anything else you can suggest? Or any one else we can send this to?

Regards,

TJL

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TJL 5 on at

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Poking to see if any one has any ideas about this?

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liambm 14 on at

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A little late to the party, but I just had the same problem for the last hour. Azure's default config for Postgres enforces SSL, looks like the PowerApps connector doesn't support SSL. If you disable "enforce SSL connection" under "Connection security" in your Azure control panel for the Postgres instance it should work (or it did for me anyway)

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