CMS Registration and Computing Account


You can proceed the Pre-registration Tool to get registered as an External Participant or a User.

For more information please visit the CMS Secretariat Website.

CMS Computing Account

Before you get a Computer Account , you must be registered as a collaborator both in the CERN and the CMS Databases.
Then follow the instructions given in section Getting a Computing Account and in the CMS Secretariat Website.


CMS-VO grid access

See the CMS workbook shows how to start work with the CMS-VO grid.
In order to request a Grid User Certificate a user must be registered in CERN’s central HR database with one of the following categories, for which physical presence at the appropriate registration service is required:

  • Members of Personnel (as defined in Administrative Circular 11). Status: STAFF, FELL, PDAS, PJAS, USAS, CASS, UPAS, USER, DOCT, TECH, ADMI, SUMM, CHIL, APPR, COAS, GPRO, VISC, TRNE.
  • Employees of a CERN contractor. Status: ENTC.
  • Participants in an experiment. Status: PART.
  • Honorary members. Status: EXTN with reason HONO.
  • Have a CERN computer account and register an email address.

One can check the exact format of the e-mail required by the CMS-VO: https://phonebook.cern.ch/

If one does not get a certificate from Cern, one can try some other source:

The full web pages for obtaining and installing the certificate is: https://twiki.cern.ch/twiki/bin/view/CMSPublic/SWGuideLcgAccess