When the IDM 4.0.2 Integrated Installer is executed a series of checks is performed to determine the eligibility of the platform being used. Unfortunately this check incorrectly fails for SLES 11 SP3 even though it is a supported platform. Simply respond " yes " to the question and the install will proceed.
NetIQ supports Identity Manager 4.0.2 on the latest support packs of those versions of Linux (SLES and RedHat) it has been documented to work with. NetIQ hopes to have this issue resolved in a later release.
Please refer to the NetIQ Identity Manager 4.0.2 installation documentation for more information about what platforms are supported and the installation readme for any other known issues.
NetIQ Identity Manager 4.0.2 Integrated Install documentation: