How to fix the Oracle error ORA-28501: communication error on heterogeneous database link?

In this post, you’ll learn more about the Oracle ErrorORA-28501: 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-28501: communication error on heterogeneous database link

Reason for the Error ORA-28501: communication error on heterogeneous database link

An unexpected communication failure occurred on a heterogeneous database link to a non-Oracle system. The message above will be followed by a second message generated by the connected non-Oracle system.

How to fix the Error ORA-28501: communication error on heterogeneous database link ?

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

See the documentation for the non-Oracle system for an explanation of the second error message.