Please refer https://support.hpe.com/hpsc/doc/public/display?sp4ts.oid=489496&docLocale=en_US&docId=emr_na-c05330370
Also since this is a new install, you can try to isolate issue by using a local DB and see if that works. This will ensure SIM appliance is fine and then work on the DB part to further isolate.