Error
Error Code: ORA-30017

Oracle ORA-30017: Incompatible Undo Segment

📦 Oracle Database
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Description

The ORA-30017 error indicates that the specified undo segment is not compatible with the current undo management mode of the Oracle instance. This typically occurs when attempting to use a manually created undo segment in an Automatic Undo Management (AUM) environment, or vice-versa.
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Error Message

ORA-30017: segment ' string ' is not supported in string Undo Management mode
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Known Causes

3 known causes
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Incorrect Undo Management Mode
The database is configured for Automatic Undo Management (AUM), but a manually created undo segment is being used. ⚠
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Manual Undo Segment in AUM
Attempting to use a manually created undo tablespace or segment while the database is in Automatic Undo Management mode. 💻
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Incompatible Undo Tablespace
The undo tablespace associated with the specified segment is not compatible with the current undo management mode. ⚙
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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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