AACS: Advanced Access Content System
ACE: access control entry
ACL: Access Control List
ACT: Application Compatibility Toolkit
ADO: ActiveX Data Objects
ADPCM: Adaptive Differential Pulse Code Modulation
ADS: Automated Deployment Services
ADT: Automated Deployment Toolkit
ADUC: Active Directory Users and Computers
AER: Application Error Reporting
AFD: Ancillary Function Driver
AGPM: Advanced Group Policy Management
AIK: Automated Installation Kit
AIS: Asset Inventory Service
ALPC: Advanced Local Procedure Call
API: Application Programming Interface
APIC: Advanced Programmable Interrupt Controller
APIPA: Automatic private IP address
AppID: Application ID
ASEP: Auto-Start Extensibility Points
ASLR: Address Space Load Randomization
ASR: Automated System Recovery
AVS: Automatic Version Synchronization
BCD: Boot Configuration Data
BCL: Base Class Library
BDD: Business Desktop Deployment
BGP: Border Gateway Protocol
BHO: Browser Helper Objects
BITS: Background Intelligent Transfer Service
CA: Certification Authority
CBS: Component Based Setup
CDDI: Copper Distributed Data Interface
CEIP: Customer Experience Improvement Program
CER: Corporate Error Reporting
CID: Confirmation ID
CIS: COM Internet Services
CLSID: CLasS IDentifier
CMAK: Connection Manager Administration Kit
COM: Component Object Model
COM+: Component Object Model Plus