Service Management
European Organization for Nuclear Research

CERN Service Management Portal / Tool

You have arrived to this page for one of these two reasons:

You are trying to log into the CERN Service Portal or the CERN Service Management Tool (Service-Now) with a non-primary account, such as: a service account, a secondary account or an external lightweight account.

In order to log in with your primary account, please click here in order to logout of your current account.

Then, please go back to your intended location manually.

You are trying to log into the CERN Service Portal or the CERN Service Management Tool (Service-Now) with your primary account, but there was an authentication problem.

Contact the CERN Service Desk for help.
Call 77777 (+41 22 76 77777 from outside CERN) or send an email to .