How can help?

Following Situation:

- OES11SP2 with all actual patches
- Use Novell-Kanaka_2_8_0_1-eDir-20140416.iso
- OSX 10.9.2
- Certificate creation as
!! not find the solution to trusted this certificate for all user !!
- Access without problem on “Novell Kanka for Mac” on address and configuration is ok
- Can not access on Kanaka Directory Services, error:
There was an unknown error communicating with the Kanaka Server (; Result = -14987.
- Can not configure snap-in !!
- Can not use kanaka client !!

thanks for help