Error Occurred in Initializing the Connection Pool, Failed to initialize pool: Communications link failure

vConnect
1

I Have created a database conenction on vConnect But getting below Error when I test the connection:

"errors":"Error Occurred in Initializing the Connection Pool:Failed to initialize pool: Communications link failure. The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server.

*What is the issue here and how we can resolve this?

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2

This error comes when our VRT server not able to communicate with the database server. Please whitelist and allow traffic from VRT server(where dbes microservice is running) to database server.

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