You can migrate from 32-bit to 64-bit versions on different computers or partitions.

To migrate SAP ASE from the 32-bit to the 64-bit version, first install and configure the 64-bit operating system.

SAP ASE 12.5.x 32-bit for Windows can run on a Windows x64 OS. The opposite, however, is not true; you cannot run SAP ASE 64-bit software on a Windows 32-bit OS.

To migrate, you can:
Note: Once you have install your new SAP ASE server, the environment variables become set to the last version installed. To run the previous installation, run the SYBASE.bat file from the command prompt to set the 12.5.x environment, such as: