Error
Error Code: ORA-28270

Oracle Error ORA-28270: Malformed Nickname

📦 Oracle Database
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Description

The ORA-28270 error indicates that the nickname provided for a password-authenticated global user is invalid. This typically occurs during login attempts when the specified nickname doesn't conform to the expected format or contains invalid characters. The error prevents successful authentication.
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Error Message

ORA-28270: Malformed user nickname for password authenticated global user.
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Known Causes

3 known causes
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Invalid Nickname Format
The nickname doesn't adhere to the naming conventions defined by Oracle. This might include incorrect length or prohibited characters.
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Typographical Error
A typo in the nickname during login can cause it to be interpreted as malformed.
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Incorrect Realm Configuration
The realm configuration might be expecting a specific format for global user nicknames that isn't being met.
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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