On Mon, Feb 1, 2016 at 3:30 PM, Marcelo Leandro <marceloltmm@gmail.com> wrote:
ERROR: on line 27 of config file 'cert.conf'
139871306037152:error:0E065068:configuration file
routines:STR_COPY:variable has no value:conf_def.c:618:line 27
Cannot sign certificate

This looks strange; can you please share the content of /etc/pki/ovirt-engine/cert.conf ?