Before you start the installer, prepare your system.
This user must have permission privileges from the top (or root) of the disk partition or operating system directory, down to the specific physical device or operating system file. Maintain consistent ownership and privileges for all files and directories. A single user—the system administrator with read, write, and execute permissions—should perform all installation, upgrade, and setup tasks.
If you are installing SAP ASE on more than one computer, create the "sybase" user account on each machine.
The user should be a member of the Windows system-defined “Administrators” group so that the installation process can create the entries in the service control manager for all the processes.