How to fix the Oracle error ORA-10642: Found rollback segments in dictionary managed tablespaces?

In this post, you’ll learn more about the Oracle ErrorORA-10642: Found rollback segments in dictionary managed tablespaces with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-10642: Found rollback segments in dictionary managed tablespaces

Reason for the Error ORA-10642: Found rollback segments in dictionary managed tablespaces

When SYSTEM tablespace is migrated found rollback segments in dictionary managed tablespaces.

How to fix the Error ORA-10642: Found rollback segments in dictionary managed tablespaces ?

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

Drop the rollback segments in dictionary managed tablespaces and reissue the command