As well as

[Damicci]

警告: 無効なユーザ名およびパスワードの組み合わせ

および to mean as well as?

This is a error message given when inputting a incorrect username or password.

seems there many different ways to group nouns together, is this common usage?

 

[undrentide]

To me, および is a very formal sounding "and".

 

[Damicci]

So would be good to know if I needed to write technical information in japanese. .....@_@

 

[J44xm]

To me, および is a very formal sounding "and".

Yeah, that's what we learned at school as well. I remember humorously thinking, "These folks are too concerned about being polite if they have a polite way to freakin' say と