2933072 - Error We couldn't connect to your HANA system. Possible causes: Third-party cookies are blocked, or CORS is not configured correctly happens when creating live HANA connection in SAP Analytics Cloud (SAC)

Symptom

The following error occurs when configuring a HANA live connection in SAP Analytics Cloud (SAC):

We couldn't connect to your HANA system. Possible causes: Third-party cookies are blocked, or CORS is not configured correctly. For more information, see our troubleshooting page.

Environment

SAP Analytics Cloud (Enterprise)
SAP HANA HDI in SAP Cloud Platform Cloud Foundry (live)

Reproducing the Issue

Configure SAP HANA HDI in SAP Cloud Platform Cloud Foundry (live).
Create live HANA connection in both SAC system A and SAC system B using the same connection information.
In SAC system A, the live HANA connection is working.
In SAC system B, error below happens when creating the live HANA connection:

We couldn't connect to your HANA system. Possible causes: Third-party cookies are blocked, or CORS is not configured correctly.
For more information, see our troubleshooting page.

Cause

The host of SAC system B is not configured in the allowedOrigin part of the YAML configuration file.
Further details can be found in step 6 of the Help Portal guide: Live Data Connection to SAP HANA Cloud Using a Direct Connection and SSO | SAP Help Portal

CORS: >
[
{
"uriPattern": "^/sap/bc/ina/(.*)$",
"allowedOrigin": [
{"host":"<orca-tenant-host>", "protocol":"https"}
],
"allowedMethods": ["GET", "POST", "HEAD", "OPTIONS", "PUT", "DELETE"],
"allowedHeaders": ["Origin", "Accept", "X-Requested-With", "Content-Type", "Access-Control-Request-Method", "Access-Control-Request-Headers", "Authorization", "X-Sap-Cid", "X-Csrf-Token"],
"exposeHeaders": ["Accept", "Authorization", "X-Requested-With", "X-Sap-Cid", "Access-Control-Allow-Origin", "Access-Control-Allow-Credentials", "X-Csrf-Token", "Content-Type"]
}

]

Resolution

Add the host of system B to the allowedOrigin part of YAML configuration file as well.

The format of multiple hosts is maintained as follows:

"allowedOrigin": [ {"host":"<host of your SAP Analytics Cloud tenant A>", "protocol":"https"},{"host":"<host of your SAP Analytics Cloud tenant B>", "protocol":"https"}]

Note:
Chrome Incognito mode (or similar mode for other browsers) may block third-party cookies by default.
Please check the browser setting to allow all cookies if the user wants to use Incognito mode.

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Product

SAP Analytics Cloud 1.0