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If you are not sure about your MAC ID, use this link to Verify your MAC ID information.

Customers requiring assistance can contact the Technology Service Desk at ext. 24357 or by email to












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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