CC1 searchback not working with Kontakt Player

I have several instruments in Kontakt Player 4 that use CC1 for volume.  I have Patch/Controller Searchback before Play Starts selected, but I'm having a strange problem with it.  If the value of CC1 in the searchback is low, it seems to work.  But if the value of the searchback is 127 (or any high value) it doesn't seem to be working properly.  The Kontakt instrument is being set to a reasonably loud value, but definitely not 127.  I'm guessing it is setting it to about 85.  I can actually watch teh Kontact Player modwheel changing the second I hit the play button.
 
I'm not having this problem with any Gigastudio instruments.
 
I suspect this is a Kontakt issue rather than a Sonar X1 issue, but does anyone have any ideas what I might be doing wrong?  This is driving me nuts, as I cannot get the volume of my Kontakt instruments to stay at max without constantly resetting CC1.