Error
Error Code: ORA-28315

Oracle ORA-28315: Encryption Key Mismatch

📦 Oracle Database
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Description

This error indicates a problem with the encryption keys used for an Oracle tablespace. It typically occurs when the database cannot verify the master key or the tablespace key for a data file during startup or access.
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Error Message

ORA-28315: encryption key mismatched for file # string
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Known Causes

3 known causes
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Incorrect Encryption Wallet
The encryption wallet containing the master key is either missing, corrupted, or not accessible to the database instance. This prevents the database from decrypting the tablespace.
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Wallet Sharing Issues
The encryption wallet is incorrectly shared between multiple databases. Each database should have its own unique wallet or a properly configured shared wallet setup.
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Corrupted Tablespace Key
The tablespace encryption key itself has been corrupted or altered, making it unusable for decryption.
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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