Cypress Warp bundles ViewLogic Powerview and SPDE. PowerView requires an additional licnese. The license file is valid for a Sun host with (short) hostid 80123456 Use a change hostID utility to change your host ID. copy the content of license.tar.gz into $CYPRESS_DIR/ $CYPRESS_DIR/ /pv/ /bin /doc /... Start the license server: lservd -fg -licf $CYPRESS_DIR/pv/license.wv if you want to leave it in the foreground. If you must change the hostid, debug lservd, add a breakpoint at 0x25fc4 vsecCheckMagicNumber, dump the (hex) content of $o4, $o5 registers. $o5 register is your new magic number, after you edit the license.wv file to match the hostid that "vlhostid" returns for your machine.