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Avocent SPC420 User Manual

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Chapter 4: Basic Operations        41
In addition to the built-in user groups, the DSView 3 software supports user-defined user groups; 
see Grouping Units on page 205.
Preemption Levels
The preemption level of users determines whether they may interrupt or disconnect another user’s 
serial or video (KVM) session with a target device. This also applies to virtual media sessions, 
which are initiated from the Video Viewer.
DSView 3 software administrators and user administrators may specify the preemption level for 
user accounts or user-defined user groups when an account or group is created. The preemption 
level may be changed later. See Preemption level on page 237 or User Group Properties on 
page 245.
By default, the preemption level used by the DSView 3 management software (the effective user 
preemption level) is the highest level of all of the user groups to which the user belongs. 
Preemption levels range from 1-4, with 4 being the highest level. For example, a user or a user 
Add, change and delete units
Yes
No
Yes
No
No
Add, change and delete unit groups
Yes
Yes
Yes
No
No
Configure access rights
Yes
Yes
No
No
No
Add, change and delete sites, departments and locations
Yes
No
Yes
No
No
Add, change and delete external authentication services
Yes
Yes
No
No
No
Add, change, delete user accounts and user-defined user 
groups
Yes
Yes
No
No
No
All event-related operation
Yes
No
No
Yes
No
Change your own password
Yes
Yes
Yes
Yes
Yes
Table 4.1: Built-In User Group Allowed Operations (Continued)
Operation
Built-In User Group
Sof
tware
Admi
n
istrator
User
Admi
n
istrator
Appliance
Admi
n
istrator
Auditor
s
Use
rs