Error
Error Code:
ORA-28300
Oracle Error ORA-28300: LDAP Read Access
Description
The ORA-28300 error indicates that the Oracle database server lacks the necessary permissions to read user entries from the configured LDAP directory service. This typically occurs during authentication or authorization processes when the database attempts to retrieve user information from LDAP.
Error Message
ORA-28300: No permission to read user entry in LDAP directory service.
Known Causes
4 known causesInsufficient LDAP Permissions
The Oracle database user or service account lacks the required read permissions on the LDAP user entries. This prevents the database from retrieving necessary user information for authentication.
Incorrect LDAP Credentials
The credentials used by the Oracle database to connect to the LDAP server are incorrect or have insufficient privileges. This results in the database being unable to authenticate and access user entries.
LDAP Configuration Issues
There may be misconfigurations in the LDAP server settings within Oracle, such as incorrect base DN or search filters, preventing proper access to user entries.
Network Connectivity Problems
Connectivity issues between the Oracle database server and the LDAP server can lead to authentication failures and inability to read user entries.
Solutions
Coming SoonDetailed 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