Error
Error Code: ORA-28446

Oracle Error ORA-28446: Missing Encryption Key

📦 Oracle Database
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Description

The ORA-28446 error indicates that an attempt was made to rekey or delete a data encryption key, but no existing key was found. This typically occurs when the database is configured for Transparent Data Encryption (TDE) but a key has not been properly created or has been inadvertently removed.
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Error Message

ORA-28446: cannot execute dictionary data rekey/delete key
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Known Causes

3 known causes
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No Master Key Exists
The master encryption key, which is used to protect the data encryption keys, has not been created. This is a prerequisite for TDE.
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Key Deleted or Dropped
The specific data encryption key targeted for rekeying or deletion has been intentionally or unintentionally dropped from the keystore.
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Incorrect Keystore Configuration
The keystore containing the encryption keys (e.g., Oracle Wallet, Hardware Security Module) is not properly configured or accessible to the database instance.
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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

Find Help

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