接続 せつぞく識別 しきべつ ではありませんでした
setsuzokushikibetsushidewārimasendeshita

Noun
Desu Copula

The polite, past negative form of 接続識別子

1. Was not a connection identifier.; Was not the connection identifier.

Past/Perfective
Negative
Polite
Formal Register
Computing