Error
Error Code: ORA-28186

ORA-28186: Proxy Admin Grant Denied

📦 Oracle Database
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Description

The ORA-28186 error occurs in Oracle Database when attempting to grant administrative privileges (SYSDBA, SYSOPER, etc.) to a user who is configured for proxy-only connections. This is because proxy authentication does not support the use of administrative privileges.
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Error Message

ORA-28186: cannot grant string to a proxy-only connect user
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Known Causes

2 known causes
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Incorrect Grant Type
You are attempting to grant SYSDBA, SYSOPER, SYSASM, SYSBACKUP, SYSDG, SYSKM, or SYSRAC to a proxy-only user.
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Proxy-Only Configuration
The target user account is configured to only allow connections via a proxy user, which restricts administrative grants.
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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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