# WARN\_CONNECTION\_HDFS\_ACL\_SUBDIRECTORY: subdirectory ACL synchronization mode[¶](https://doc.dataiku.com/dss/latest/troubleshooting/errors/WARN_CONNECTION_HDFS_ACL_SUBDIRECTORY.html#warn-connection-hdfs-acl-subdirectory-subdirectory-acl-synchronization-mode "Permalink to this headline")

ACL synchronization mode is set to ‘subdirectory’ in the connection. It is recommended to use Sentry or Ranger instead.

## Remediation[¶](https://doc.dataiku.com/dss/latest/troubleshooting/errors/WARN_CONNECTION_HDFS_ACL_SUBDIRECTORY.html#remediation "Permalink to this headline")

Use Sentry or Ranger instead. See Support for Hive authorization modes for more details.
