How to fix the error ORA-00162: external dbid length string is greater than maximum (string)?

In this post, you’ll learn more about the Oracle ErrorORA-00162: external dbid length string is greater than maximum (string) with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-00162: external dbid length string is greater than maximum (string)

Reason for the Error ORA-00162: external dbid length string is greater than maximum (string)

An external database name with too large a length field was passed in.

How to fix the Error ORA-00162: external dbid length string is greater than maximum (string) ?

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

Report the problem to your external transaction coordinator vendor.