Error
Error Code:
ORA-28308
Oracle Error ORA-28308: Unsupported Directory Type
Description
The ORA-28308 error indicates that the Oracle Database attempted to connect to a directory service using an unsupported type. This typically occurs during configuration or when the database is attempting to authenticate or retrieve information from a directory server.
Error Message
ORA-28308: The directory server type string is not supported.
Known Causes
3 known causesIncorrect DSI/LDAP Configuration
The `dsi.ora` or `ldap.ora` file contains an invalid or outdated directory server type specification. ⚙
Unsupported Directory Server
The directory server being used is not a supported type by the Oracle Database version. 🌐
Typographical Error
A simple typo in the directory server type string within the configuration files led to an unrecognized value. ⚠
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