How to fix the error ORA-00242: maximum allowed filename records used up in control file?

In this post, you’ll learn more about the Oracle ErrorORA-00242: maximum allowed filename records used up in control file with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-00242: maximum allowed filename records used up in control file

Reason for the Error ORA-00242: maximum allowed filename records used up in control file

Failed to create a new filename record entry in the control file because the maximum allowed filename records have been allocated and are in use.

How to fix the Error ORA-00242: maximum allowed filename records used up in control file ?

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

Free up controlfile filename section entries by dropping unwanted tablespaces/datafiles/redofiles.