実効 じっこう利用 りよう しゃID あいでぃうではありません
jikkōriyō shā idiudewa arimasen

Noun
Desu Copula
Negation Auxiliary

The polite negative form of 実効利用者ID

1. Not an effective user ID.; Is not an effective user ID.

Negative
Polite
Formal Register
Computing