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No Authorization for Function Module, No Authorization for test table, Unicode ERROR Hostname '?' unknown

No RFC authorization for function module /DABEXP/RFC_SAPCONNECTOR​

Possible Cause: No authorizations​

No authorization to access function module.

Recommendation​

You find all information in this article, section Authorizations.


SAP System Test failed after retrying with T001: RfcInvoke failed (RFC_ABAP_EXCEPTION): NOT_AUTHORIZED​

Possible Cause: No authorization for test table​

No authorization to access the test table T001.

Recommendation​

Give the SAP user the required authorization to access the test table.

Possible Cause: No authorization > Change test table​

No authorization to access the test table T001.

Recommendation​

In dab Nexus, change the test table to one that the SAP user can access.


RfcOpenConnection failed (RFC_COMMUNICATION_FAILURE): LOCATION CPIC (TCP/IP) on local host with Unicode ERROR hostname '?' unknown​

Possible Cause: DNS doesn't resolve hostname​

The DNS doesn't resolve the host name.

Recommendation​

Please contact your IT team in this case.