Starting up the 64-bit version of MXDM To start up the 64-bit version of MXDM, complete the following steps: Procedure Launch MXDM in one of the following ways: Double-click the NonStop SQLMX Database Manager 64-bit icon on your desktop. Select Start —> All Programs > NonStop SQLMX Database Manager 64-bit > NonStop SQLMX Database Manager. NOTE: The 64-bit version of MXDM can run only if the 64-bit version of the Windows ODBC driver is installed on the client. Perform the steps described in Adding a system.