Error
Error Code: ORA-28306

Oracle ORA-28306: Conflicting User Mappings

📦 Oracle Database
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Description

The ORA-28306 error occurs in Oracle Database when a directory user connects while their groups are mapped to multiple, different shared database global users. This indicates an inconsistency in directory user to database user mapping configurations.
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Error Message

ORA-28306: The directory user has string groups mapped to different database global users.
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Known Causes

3 known causes
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Multiple Group Mappings
The directory user is a member of multiple groups, and each group is mapped to a different database global user. 🌐
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Incorrect Configuration
The directory user's group mappings were configured incorrectly, leading to conflicting global user assignments. ⚙
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Shared Global User Conflict
The directory user's groups are unintentionally sharing database global users with other directory users' groups, creating ambiguity. 🔒
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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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