More googling, found my answer, SSSD port needs to be reconfigured to add AD provider
On Jul 2, 2015, at 10:42 PM, Frank Pikelner
I decided to get SSSD working on FreeBSD/PCBSD 10.1 using the AD provider. I got
everything configured and when starting SSSD daemon an error is reported that libsss_ad.so
is missing. Checking /usr/local/lib/sssd/ the file is in fact missing.
I've checked the BSD ports collection contents of SSSD and it is also not there.
Googling, I noticed similar problem reported on Suse forums:
Is this a known problem as I did not see any fixes?