I have been using the solution for almost five years.

I have been using the solution for a long time.

I have been using Logger for around five years.

We have been using ArcSight Logger for five years.

We have been using ArcSight Logger for a year now.

I have been using ArcSight Logger for 4 years. 

We have been using this solution for approximately four years and are currently using ArcSight 7.

I have been using ArcSight Logger for nine years.

I have been working with the product for three years. 

I used this product as a network administrator for two years.

I have been using the solution for five years.

The company has been using ArcSight Logger for between six and seven years. I joined the company six months ago, which was my first experience with it.

I am an expert with ArcSight, in all of their products. I have been working with them for 15 years.

I used it for close to two years.

We've been using it for two years.

We've used it for about two years.

I have used this solution for one and a half years. 

We've been using it for four years alongside ArcSight Express.

We are still currently implementing it.

I have been using ArcSight Logger for three years.

I have been working with ArcSight Logger for about two years.

I've been using it for four years.

I've used it for four-and-a-half years myself, and it's been around 12 years of use by the organization.