Dell PowerVault DR4100 - Manual (Page 7)

7 Configuring Direct-Connect between a
DR Series System and Backup Media Server | October 2014
DNS
Impact: No name lookup service for DR Series Appliance
Workaround: Edit /etc/hosts file on DR Series Appliance to manually enter name resolution entries
(support engineer needs to be engaged for this action)
SMTP
Impact: Cannot send email alerts
Workaround: None