We have been using MB4 earlier but MB has launched MB5 and no more support provided to help in bugs in MB4.
Initially, we planned to upgrade our MB4 to MB5 but MB5 the configuration of MB5 seems very complicated. We are facing some difficulties in configuration of MB5 even we have been using MB4 for few years.
After some evaluation, we have decided to migrate to WHMCS and WHMCS helped us a lot in the data migration. We successfully migrated all our data in WHMCS on April 2008.
WHMCS is running well for
Exabytes which currently serving 22k+ client and 40+ domains globally.