How to fix the Oracle error ORA-28535: invalid Heterogeneous Services context?

In this post, you’ll learn more about the Oracle ErrorORA-28535: invalid Heterogeneous Services context with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-28535: invalid Heterogeneous Services context

Reason for the Error ORA-28535: invalid Heterogeneous Services context

A Heterogeneous Services agent’s driver module called an HS service routine with an invalid HS context value. This probably is a logic error in the driver.

How to fix the Error ORA-28535: invalid Heterogeneous Services context ?

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

Contact Oracle customer support or your agent vendor.