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Getting Started

MAC ID is your unique, common identifier, single sign-on for a number of McMaster systems and applications. It is an important step in working together as one University, the creation of a University without boundaries, the enhancement of the student experience and the transformation to a client-centric services delivery model.

Please note your MAC ID is not your student or employee number.

MAC IDs are available for:









Service Bulletins

  • MAC ID Password Expiry

    Beginning in May 2016, MAC ID passwords at McMaster expire annually. Learn more at

Service Desk

Client Self Service:
Hours: Monday - Friday
8:30 am - 4:30 pm
Phone: 905-525-9140 x24357 (2HELP)
Location: Main Campus BSB Rm. 245
Service Catalogue:

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