Error
Error Code: ORA-28455

Oracle ORA-28455: Incompatible Encryption

📦 Oracle Database
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Description

The ORA-28455 error occurs in Oracle Database when you attempt to use the `ENCRYPT` option on a tablespace whose `TABLESPACE_ENCRYPTION` setting is incompatible. This typically happens when `TABLESPACE_ENCRYPTION` is set to `DECRYPT_ONLY`.
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Error Message

ORA-28455: ENCRYPT option not allowed.
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Known Causes

3 known causes
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Incompatible Encryption Setting
The `TABLESPACE_ENCRYPTION` parameter is set to `DECRYPT_ONLY`, preventing encryption operations.
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Incorrect Tablespace Configuration
The tablespace was created or altered with settings that conflict with encryption requirements.
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Accidental ENCRYPT Clause
The `CREATE` or `ALTER TABLESPACE` statement inadvertently includes an `ENCRYPT` clause when it's not permitted.
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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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