Agresso/Unit 4 compliance Audit

We have recently been contacted by unit 4 as they have undertaken a compliance audit on the number of users we have compared to our contract for Agresso.

Our current contract is approx 18 years old and has not been reviewed since and so we have more users than the license allows for.

We are now awaiting Unit 4 to come back with a revised price and I am expecting it to be significant

Has anyone else been involved in the process that can provide any insight on the process?