How to fix the Oracle error ORA-28521: no heterogeneous capability information available?

In this post, you’ll learn more about the Oracle ErrorORA-28521: no heterogeneous capability information available with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-28521: no heterogeneous capability information available

Reason for the Error ORA-28521: no heterogeneous capability information available

The ORACLE server’s data dictionary did not contain capability definitions for the connected non-Oracle system, and automatic self-registration (data dictionary upload) was disabled.

How to fix the Error ORA-28521: no heterogeneous capability information available ?

You can fix this error in Oracle by following the below steps

Ask a DBA to resolve this problem. The easiest resolution is to enable automatic self-registration by setting the ORACLE server’s HS_AUTO_REGISTER initialization parameter to TRUE. An alternative is to load the Heterogeneous Services data dictionary with information specific for the non-Oracle system by executing a SQL script supplied by the agent vendor. If the script is run and the error persists, contact the customer support representative of the agent vendor.