Around this time last year, we upgraded our billing infrastructure to improve reliability and functionality, in the process changing the address for the Client Area from https://billing.adtentus.net/ to https://adtentus.net/billing/. We have now taken the old Client Area offline to encourage users to use the new billing system.
All customers who have not already done so have been automatically migrated to the new Client Area. An email has been sent to all customers with more information about this migration.
In other news, welcome to the new Adtentus website! We hope the new layout will be more intuitive and helpful for users, both old and new.