We've been using this and previous versions for the past 10 years.

I have been working with NetIQ Identity Manager for ten years.

I have been using it for ten years. 

More than five years.

I have been using the solution for two years.

I've been using it since '83. I've been working for companies that have been using this application. I've been in consultancy implementing this application to customers, and now, I am teaching this application.

I have been using NetIQ Identity Manager for approximately 10 years.

12 years.

I have been using NetIQ Identity Manager for approximately 15 years.

We have been using this solution for 15 years, i.e., since its inception and the time it was called Novell NDS for NT.

I've used it for one year in different customer environments and licenses.

Three years

10 years.