要素 ようそ認証 にんしょうじゃなかったです
ni yōsonin shōjanakattadesu

Noun
Desu Copula

The polite, past negative form of 二要素認証

1. Wasn't two-factor authentication.; Wasn't a two-factor authentication.

Past/Perfective
Negative
Polite
Casual Register
Computing