MFA: Login Fails After Deleting Authenticator During Device Migration

This article explains why login fails after deleting an account from Salesforce Authenticator during device migration, and what to do if you're locked out.

Why Login Fails

If you delete an account from Salesforce Authenticator (or uninstall the application itself without enabling backup) while it is connected to a user, you will be unable to log in.

Migrating Salesforce Authenticator to a New Device

For instructions on device migration, refer to the "B. Setting up Salesforce Authenticator in a new device" section of the How to Set Up Salesforce Authenticator article.

If You've Lost Access to Your Device

If you have lost or cannot access the device where Salesforce Authenticator is installed, please also refer to the Additional Resources below.