3328468 - Datasphere HANA on-premise connection error Remote source is down

You are using Cloud Connector to connect HANA Database (on-premise) with SAP Datasphere. Getting below error when validating HANA connection in SAP Datasphere, even though HANA Database is up and running.

Connection "XXXX" is valid, but not all features are available.
- Data flows can't be used because of errors in the connection.
- Replication flows can't be used because of errors in the connection.
- Remote tables are enabled.

Data Flows: Cause: Remote source is down! Code:1
Replication Flows: Cause: Remote source is down! Code:1

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SAP Datasphere

KBA , DS-DI-CON , Connections , Problem