#21 and #22 got it right.

Your customers are the people inside the company you assist with their technical problems. If your customers were dissatisfied, then you were let go for that. I'm amazed that you never realized that you had customers, too - ones that weren't the same as the customers your company deals with.

You can't file a lawsuit, you were clearly fired with cause. If you're in IT, and not customer-facing tech support, your "customers" are the employees you help. One or more of them probably complained, and based on your failure to realize this, they probably had good reason. I'm also in IT, lost a lucrative job the same way, thought I got screwed over, then had this explained to me.

"The economy sucks and they don't want to have to pay you unemployment. Easier for them to skirt this if they claim it was your own fault you're unemployed." #13 What he/she said... See if you can collect unemployment anyway and appeal the decision with your state if they turn you down. By the way, this also just happened to a friend of mine (a teacher who was denied tenure). The administration needed to cut $1.4 million and in spite of having rave reviews from other teachers and parents, the administration decided she "lacked effective classroom management skills." Now they are waiting for her to quit in disgust and not receive unemployment - which she cannot financially afford. Bastards - but quite common in this economy!

I don't know how it is in America (I guess you're American) but that type of dismissal is very illegal where I'm from. There's been quite a few of these 'unfair dismissal' posts, is it really okay to do that to an employee over there?

It's probably bullcrap to cover up for cyclical unemployment.

#27: It varies by state. In most of the country, you can be let go from a job without cause. The only illegal dismissals are racial, ethnic, religious, sexual or disability discrimination. Being an unsatisfactory employee is plenty of reason to be let go. And to the OP: It's been listed above, but I'll say it again. Your customers are the people you provide IT services to. If you're not aware of that, it's no surprise that you've been let go.

Oh - and on the unemployment angle: yes, you'll still be able to receive it. Unemployment compensation isn't just for mass layoffs and firing without cause. If you committed a crime or were fired for gross insubordination, then you're out unemployment. "Dissatisfaction" and "Poor organizational fit" are common dismissal reasons that don't negate your ability to receive unemployment. Even inability to do the job won't disqualify someone in most cases (unless there was fraud involved during the hiring process).

That sucks! Sorry man.

Could you sue for wrongful termination?