Error
Error Code: ORA-28187

Oracle ORA-28187: Invalid Proxy Alter

📦 Oracle Database
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Description

This error indicates an attempt to alter a global user to a proxy-only connect user, which is not a permitted operation in Oracle Database. Global users have specific authentication and authorization mechanisms that prevent direct alteration to proxy-only connections.
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Error Message

ORA-28187: cannot alter global user to proxy-only connect user
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Known Causes

3 known causes
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Incorrect User Type
Attempting to make a global user a proxy user is not allowed. Global users are authenticated differently.
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Misconfigured SQL
The ALTER USER statement is incorrectly configured to change a global user to a proxy-only user.
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Accidental Alter Attempt
An unintended attempt was made to alter a global user to a proxy user, possibly due to script errors.
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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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