Error
Error Code: ORA-28308

Oracle Error ORA-28308: Unsupported Directory Type

📦 Oracle Database
📋

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 causes
⚠️
Incorrect 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The `dsi.ora` or `ldap.ora` file contains an invalid or outdated directory server type specification.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 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