Error
Error Code: ORA-29706

Oracle Error ORA-29706: Invalid Instance Count

📦 Oracle Database
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Description

The ORA-29706 error indicates an incorrect value for the `ACTIVE_INSTANCE_COUNT` parameter in your Oracle database configuration. This often happens during cluster database setup or when configuring primary/secondary instance failover.
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Error Message

ORA-29706: incorrect value string for parameter ACTIVE_INSTANCE_COUNT
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Known Causes

2 known causes
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Incorrect Cluster Configuration
The `ACTIVE_INSTANCE_COUNT` is set to a value other than 1 in a two-node cluster database.
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Unnecessary Parameter Specification
The `ACTIVE_INSTANCE_COUNT` parameter is specified when a secondary instance is not needed.
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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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