How to fix the Oracle error ORA-28502: internal communication error on heterogeneous database link?

In this post, you’ll learn more about the Oracle ErrorORA-28502: internal communication error on heterogeneous database link with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-28502: internal communication error on heterogeneous database link

Reason for the Error ORA-28502: internal communication error on heterogeneous database link

A communication error internal to ORACLE’s heterogeneous services has occurred.

How to fix the Error ORA-28502: internal communication error on heterogeneous database link ?

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

Contact Oracle customer support.