Error
Error Code:
ORA-28433
Oracle ORA-28433: Encryption Mismatch
Description
The ORA-28433 error indicates an inconsistency in encryption settings between a data file and its associated tablespace. This error occurs when Oracle detects an unencrypted data file within an encrypted tablespace, or vice versa, during tablespace online operations or database startup.
Error Message
ORA-28433: mismatched encryption property between data file string and tablespace string
Known Causes
3 known causesMixed Encryption
An unencrypted data file resides in a tablespace that is configured for encryption, or an encrypted data file is in a tablespace that is *not* configured for encryption.
Incomplete Encryption
The tablespace encryption process was interrupted or did not complete, resulting in some data files being encrypted while others remain unencrypted.
Incorrect Data File Restore
A data file was restored from a backup that has a different encryption status than the tablespace it is being restored into.
Solutions
Coming SoonDetailed step-by-step solutions for this error are being prepared. In the meantime, try these general troubleshooting tips:
General Troubleshooting Tips
- Check the error message carefully for specific details
- Review recent changes that might have caused the error
- Search for the exact error code in the official documentation
- Check log files for additional context
- Try restarting the application or service