Is it possible to install/run OpenEdge 10 or 11 on SUN Solaris 8?
Doesn't look that way:
Version 10:
http://download.progress.com/open/openedge/pag/openedge_10_availability_guide_2013_01_08.pdf
Version 11:
http://download.progress.com/open/openedge/pag/openedge_11_availability_guide_2013_03_21.pdf
Solaris 8 is basically 13 years old so perhaps you should consider upgrading that first?
Thank you Jens!