32-bit MobiLink server is no longer supported on 64-bit operating systems   On 64-bit operating systems, the MobiLink server is only installed as a 64-bit application and must be run as a 64-bit application. Any 32-bit versions of the MobiLink server that might remain on your system from previous version 12 installations cannot be run on a 64-bit system.

As of version 12.0.1, error -10381 is returned if the MobiLink server is run as a 32-bit application on a 64-bit operating system. See The MobiLink Server must be run as a 64-bit application on a 64-bit operating system.

New behavior for -w mlsrv12 option   If you use the -wm option to automatically adjust the number of database worker threads, the -w option for mlsrv12 now sets the initial number of database worker threads. Previously, this option set the number of database worker threads. See -w mlsrv12 option and -wm mlsrv12 option.

The -cm option is now an alias for the -cmax option   The -cm option is an alias for the -cmax server option. See -cmax mlsrv12 option.