UIDAI provides the Aadhaar Enrolment Client (AEC) to Registrars/Enrolment Agencies to be used for enrolments. AEC is also referred as ECMP, i.e. Enrolment Client Multi Platform, from version 1.5 onwards. The Aadhaar Enrolment Client has certain prerequisites which have to be met before installation, including, • Creation of Windows User Accounts • Addition of user credentials in the UIDAI Admin Portal • Registration of the Client with UIDAI after installation • On-boarding of Operator(s), Supervisor(s) and Introducer(s) in order to perform enrolments. Prerequisites • Registrar has been provided with a 3-digit Registrar code by UIDAI; the Enrolment Agency must be aware of its Registrar’s code. • The Enrolment Agency must be aware of its 4-digit Enrolment Agency code provided by UIDAI. • The Enrolment Agency must create their users (Operators, Supervisors) in the UIDAI Admin Portal. • The Registrar must create Introducers in the UIDAI Admin Portal. • The Aadhaar