Error
Error Code: ORA-28398

Oracle Error ORA-28398: Key Rewrap Failed

📦 Oracle Database
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Description

The ORA-28398 error occurs when attempting to rewrap an encryption key for a file that either doesn't originate from an encrypted tablespace or has already undergone the rewrapping process. This can happen during backup or recovery procedures involving Transparent Data Encryption (TDE).
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Error Message

ORA-28398: cannot rewrap encryption key for this file
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Known Causes

3 known causes
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Not Encrypted Tablespace
The file being processed does not belong to an encrypted tablespace, so rewrapping the encryption key is not applicable.
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Already Rewrapped
The encryption key for the file has already been rewrapped, and attempting to do so again results in this error.
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Incorrect File Copy
The file is a copy of a file, but not a valid copy originating from an encrypted tablespace within the database.
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Solutions

Coming Soon

Detailed 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

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