Prompt on login "invalid username or password" 

  1. Please clear cache, cookies & active logins on your browser. How to clear browser session (5mins)

If you have forgotten your password: https://www.ecmwf.int > Log in > Forgot Password? Reset password guide (2mins)

Login for access to HPC or Mars fails

These services are available to authorised users only. Please see conditions of access for further details.

Login to other services fails

If the initial login works via the ECMWF website but fails on any other service, please raise a ticket

Create a Ticket


What to do if you get a "Your login details are incorrect" message when trying to log in?

  • If you are already registered with ECMWF please follow the How to reset my ECMWF password procedure. This should give you a new temporary password that you need to change following these instructions How to change my ECMWF password 
  • If you are not registered with ECMWF you can create a new user id on this page
  • If you do not receive a password reset email check your Junk/Spam folders