May 06, 2020 · Microsoft typically does not release Microsoft Office Access 2010 SDB files for download because they are bundled together inside of a software installer. The installer's task is to ensure that all correct verifications have been made before installing and placing sysmain.sdb and all other SDB files for Microsoft Office Access 2010. Managing Targets. Before issuing SDB commands, it is helpful to know which target instances are connected to the SDB server. In response to the devices command option, the SDB prints the serial number (a string created by the SDB to uniquely identify a target instance) and connection status for each connected device.