Error
Error Code:
ORA-28180
Oracle ORA-28180: Proxy Authentication Conflict
Description
The ORA-28180 error occurs in Oracle Database when a proxy user specifies multiple authentication methods for a client user during a connection attempt. This happens when the proxy user is configured with conflicting authentication settings, leading to connection failure.
Error Message
ORA-28180: multiple authentication methods provided by proxy
Known Causes
3 known causesConflicting Authentication Methods
The proxy user is configured to use both a database username and a distinguished name for client authentication, leading to a conflict.
Incorrect Proxy Configuration
The database administrator incorrectly configured the proxy settings, specifying multiple or incompatible authentication methods.
Certificate and Username Mixup
The proxy user attempts to authenticate using both an X.509 certificate and a database username simultaneously.
Solutions
Coming SoonGeneral 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