The password change pages have been moved to the new CERN Users Portal.

External / lightweight accounts management has been moved.

The External / Lightweight accounts, previously registered through this website, are being replaced by "Guest" accounts, managed through the new CERN Single Sign On service and CERN Users Portal.

Register a new Guest account

How to register a new Guest account

Reset your account's password

How to reset your Guest account's password

Delete your lightweight account or other requests

To delete your lightweight account, or for any other request concerning your External / Lightweight account, contact the Service Desk (phone +41 22 76 77777 or service-desk@cern.ch) or open a support ticket.