In the Authentication window, click 
to change to Modify mode.
Enabling or disabling host authentication on a host group
You can specify whether to authenticate hosts on each host group. Change the user authentication settings of host groups to enable or disable authentication of hosts. By default, user authentication is disabled.
Hitachi Device Manager - Storage Navigator secondary windows must be defined for use in advance. When you select Modify from the Authentication secondary window to enable or disable host authentication, other users or programs are prevented from changing storage system settings. When you close the secondary window, Modify mode is released. For more information on Hitachi Device Manager - Storage Navigator secondary windows and Modify mode, see the System Administrator Guide.
To enable host authentication on a host group
Perform one of following to display the Authentication window.
For Hitachi Command Suite:
On the Resource tab, expand the Storage Systems tree. Right click the target storage system, then select Other Function.
Click Actions > Ports/Host Groups to open the Authentication window.
For Storage Navigator:
Click Actions > Ports/Host Groups > Fibre then > Authentication to open the Authentication window.
In the Authentication window, click to change to Modify mode.
In the Port tree, double-click the Storage System folder.
If the storage system contains any fibre channel boards, the Fibre folder appears below the Storage System folder.
Double-click the Fibre folder and fibre channel port icon under the Fibre folder.
When you double-click the Fibre folder, the fibre channel ports contained in the storage system appear as icons. If you double-click the fibre channel ports, host groups appear as icons. On the right of each icon appears the host group name.
indicates the host group authenticates hosts. This is the default.
indicates the host group does not authenticate hosts.
Right-click a host group that appears with and select Authentication:Disable > Enable. The host group icon changes to , and the port name appears in blue.
Click Apply in the Authentication window. A message appears asking whether to apply the settings to the storage system.
Click OK to close the message. The settings are applied to the storage system.
To return the host group setting to , perform the same operation, except select the Authentication:Enable > Disable menu in step 4.