Current version of Microsoft Dynamics GP, successor of Great Plains Software Dynamics and eEnterprise is 10.0. The latest version, supporting old DB platforms: Ctree and Btrieve was Great Plains Standard 7.5. Due to the fact that Microsoft Business Solutions deploys annual enhancement program requirements, if customer is not paying annual fee, it loses the option to get new version registration key and places itself in higher cost brackets for support cases, if support placed through MBS tech support department.