Sybase IQ InfoPrimer must be installed in its own subdirectory under the root directory.
The root directory can either be a directory containing other Sybase products or the directory specified in the SYBASE environment variable. If the SYBASE environment variable has not been defined, install Sybase IQ InfoPrimer in the recommended installation location for Sybase IQ 15.3 or set the SYBASE environment variable before installation.
The default subdirectory name for Sybase IQ InfoPrimer Development is IQIPD-15_3 and for Sybase IQ InfoPrimer Server is IQIPS-15_3.
See Sybase IQ InfoPrimer Installation Guide > Planning Your Installation > Installation Directory.