Access to Eurostat's tools for data and metadata exchange (EDAMIS, ESS Metadata Handler, SDMX Converter Web App) requires you to have an EU Login account with at least one 2-factor authentication method enabled.
If you do not have an EU Login account yet please check the EU Login tutorial which will guide you on creating an account. You may also want to watch the explanatory videos on how to use the available 2-factor authentication methods, via EU Login app, TPM (Trusted Platform Module), and eID.
Should you experience issues accessing the application please read the troubleshooting guidelines. Alternatively, you can contact the Eurostat data and metadata team.