The Austin Active Directory is the austin.utexas.edu domain and consists of an implementation of Microsoft's Active Directory Domain Services (AD DS) as well as a suite of supporting applications and services such as ADFS, the EID feed application, and the Department Tools websites.
Key sub-sections:
Domain Controllers - Details on the systems that host the Austin Active Directory
Department Tools - Web applications for managing aspects of the Austin Active Directory
Schema - Information regarding the directory schema of the Austin Active Directory
Certificate Services - Details on the internal Active Directory Certificate Authorities