Since version 4.4 the SEP sesam Server is not offered in the 32 bit architecture any more. If you UCS system is installed in 32 bit, you cannot update to SEP sesam 4.4. Please use a UCS 64 bit system. There SEP sesam version 4.4 is available via Univention App Center.

Please consider the Release Notes for SEP sesam 4.4.