A
- A Squared
- A/P active/passive disk array
- A/P-C disk array
- A2i Builder
- A2i Editor
- ACL
- ACL Access Control List
- ACS
- AD Active Directory
- AIT
- ANSI American National Standards Institute
- API application programming interface
- ARP
- ARP Address Resolution Protocol
- ASF Alert Standard Format
- ATOP All Through One Port
- AV Security Suite
- AVI Audio Video Interleave
- Access Complexity
- Access Server
- Access Vector
- Action menu
- Active Directory
- Active Response
- Active/Active Configuration
- Active/Active disk arrays
- Active/Passive Configuration
- Active/Passive disk arrays
- ActiveX
- Activity Log
- Add Rule
- Administrative Domain
- Alert Monitor
- Altiris Agent
- Altiris Agent Cache
- Antimalware
- Antimalware Doctor
- Antispy
- Antispyware Soft
- Antivir Solution Pro
- Antivira AV
- Antivirus Action
- Antivirus Soft
- Application Manager
- Application Metering plug-in
- Application to Information file
- Associate Replicator Log
- Asynchronous Replication
- Atomic quiesce
- AttackTrace rule
- Audit ID
- Authentication
- Authentication Broker AB
- Authentication Service
- Authentication port
- Authorization Service
- AutoRun
- AutoTransfer
- Automated User Assignments
- Automatic Volume Growth Based on Capacity
- Availability Impact
- about box
- absolute path
- access control
- access control list ACL
- access group
- access point
- access sharing
- account
- acknowledging alerts
- action
- activation
- active alert
- active partition or volume
- active zone set
- activity logs
- adapter
- address book
- address-length pair
- addressable unit
- administering
- administration client
- administrator rights
- adware
- adware remover
- agent presence
- aggregation
- alarm
- alert icon
- alert log
- alert source
- alert threshold
- alert type
- alertable event
- aliases
- allocated media
- allocation unit
- alternate client
- alternate read server
- alternate-client restore
- alternate-target restore
- analyst resources
- anonymous SSL Secure Sockets Layer
- anti spyware
- anti-spam filters
- anti-virus filters
- antispyware
- antivirus
- appliance
- applicability rule
- application cluster
- application control
- application host
- application metering
- application properties
- application server
- application settings
- apply
- approval period
- arbitrated loop
- archive bit
- archived log mode
- armored malicious code
- array
- array host group
- array port group
- array virtual port
- asset measure
- asset reconciliation
- asset store
- asset system
- asset type
- asset value
- associated plex
- associated subdisk
- asymmetric encryption
- asynchronous
- asynchronous I/O
- asynchronous transmission
- asynchronous writes
- atomic operation
- attachment
- attachment list
- attack scenario
- attack signature
- attended installation
- attestation
- attester
- attribute
- audience
- authenticated, self-signed SSL
- authentication token
- authentication tool
- authorization
- auto-start process
- autochanger
- autoextend
- autoloader
- automated action
- automatic backup
- automatic remediation
- automatic synchronization
- automation
- automation policy
- availability
- availability malicious code
- avrd
