How to fix the Oracle error ORA-15263: user name ‘string’ exceeds limit of string characters?

In this post, you’ll learn more about the Oracle ErrorORA-15263: user name ‘string’ exceeds limit of string characters with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-15263: user name ‘string’ exceeds limit of string characters

Reason for the Error ORA-15263: user name ‘string’ exceeds limit of string characters

The length of the specified user name exceeded the maximum limit.

How to fix the Error ORA-15263: user name ‘string’ exceeds limit of string characters ?

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

Reduce the length of the user name to a value within the limit.