接続 せつぞく識別 しきべつ じゃなかったです
setsuzokushikibetsukojanakattadesu

Noun
Desu Copula

The polite, past negative form of 接続識別子

1. Wasn't a connection identifier.; Wasn't the connection identifier.

Past/Perfective
Negative
Polite
Casual Register
Computing