3084008 - SAP Analytics Cloud cannot connect to SAC agent

• SAP Analytics Cloud cannot connect to SAC agent.
• When click Check Configuration in Data Source Configuration, below error outputted.
  Failed to call SAP Analytics Cloud agent. Please contact your administrator to ensure that SAP Analytics Cloud agent is running, configured correctly and is reachable from the SAP Cloud Platform Cloud Connector. HTTP Status: 502, Action: Check version.
• In Trace, error outputted.
  Failed to call SAP Analytics Cloud agent. Please contact your administrator to ensure that SAP Analytics Cloud agent is running, configured correctly and is reachable from the SAP Cloud Platform Cloud Connector. HTTP Status: 502, Action: Check version.
  Invalid server certificate.
  Please ensure the SAP Analytics Cloud agent has been configured.
• In cloud connector ljs_trace.log, error like
  YYYY-MM-DD HH:MM:SS,XXX +0000#DEBUG#com.sap.core.connectivity.protocol.http.handlers.HttpRequestStateHandler#tunnel-client-48-8#0x0b080a6c#Http error occurred, switching state to STARTING
  YYYY-MM-DD HH:MM:SS,XXX +0000#DEBUG#com.sap.core.connectivity.spi.processing.OutboundConnectionErrorHandler#tunnel-client-48-8#0x0b080a6c#Protocol processing error:
  com.sap.core.connectivity.protocol.http.handlers.HttpProtocolException: Invalid server certificate
   at com.sap.core.connectivity.protocol.http.handlers.HttpProtocolClientCodec.exceptionCaught(HttpProtocolClientCodec.java:81)
   ......
• In cloud connector, C4Agent can be reachable.

• SAP Analytics Cloud

1. Login SAC.
2. Click System.
3. Click Administration.
4. Click Data Source Configuration.
5. In On-premise data sources, click Check Configuration.
6. Error outputted.
   Failed to call SAP Analytics Cloud agent. Please contact your administrator to ensure that SAP Analytics Cloud agent is running, configured correctly and is reachable from the SAP Cloud Platform Cloud Connector. HTTP Status: 502, Action: Check version.

The certificate's subject of SAC Agent SSL is hostname, but in SCC, the internal host is maintained with localhost.

Change Internal Host form localhost to the same with certificate's subject.

• 2569847 - Where can you find SAC user assistance (help) to use, configure, and operate it more effectively?
• Have a question? Ask it here and let our amazing SAP community help! Or reply and share your knowledge!
• 2487011 - What information do I need to provide when opening an case  for SAP Analytics Cloud?
• SAP Analytics Cloud > Learning > Guided Playlists
• SAP Analytics Cloud > Learning > Guided Playlists > Getting Support
• Need More Help? Contact Support or visit the solution finder today!

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could not, connection, failed, reach , KBA , LOD-ANA-AQU , Import Data Connections (Acquiring Data) , Problem