How to fix the Oracle error ORA-01166: file number string is larger than string (string)?

In this post, you’ll learn more about the Oracle ErrorORA-01166: file number string is larger than string (string) with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-01166: file number string is larger than string (string)

Reason for the Error ORA-01166: file number string is larger than string (string)

File mentioned in CREATE CONTROLFILE has a file number which is larger than that specified for MAXDATAFILES or MAXLOGFILES.

How to fix the Error ORA-01166: file number string is larger than string (string) ?

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

Increase the maximum specified on the command line.