SafeGuard Enterprise 7 on MAC

HI,

I'm completely new to Sophos SafeGuard Enterprise,and beside a lot of other trouble, i can't syncronise the settings and the policy to a MAC computer. 

Important to know, that we don't use AD at the moment.

Console message: 

24/02/2015 15:25:44.201 SafeGuard:srvcomm[66]: sgsrvcommCertVerifyCallback(): SecTrustEvaluate for certificate /CN=FQDN.OF.COMPUTER /OU=Sophos SafeGuard\xC2\xAE Certificate  (serialNumber: 40 67 01 70 0b 74 2d 91 48 82 b1 20 27 af 97 58 07 ): failed with result kSecTrustResultRecoverableTrustFailure

 Self-signed SSL certificate is correct, and installed, as far as i think. Also installed the root cert for the server. (both set up to "always trust")

I would really appreciate some help.

Thanks,

Daniel