cannot authenticate to active directory using 16.04

[Sean Sturgess]

Noted in /var/log/auth.log
Timestamp was 16 hours ahead of current time.

Expected-- login to unity
Happened-- incorrect password warning

ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: lightdm 1.18.1-0ubuntu1
ProcVersionSignature: Ubuntu 4.4.0-22.40-generic 4.4.8
Uname: Linux 4.4.0-22-generic x86_64
ApportVersion: 2.20.1-0ubuntu2.1
Architecture: amd64
Date: Tue May 31 16:53:22 2016
InstallationDate: Installed on 2014-11-13 (564 days ago)
InstallationMedia: Ubuntu 14.10 "Utopic Unicorn" - Release amd64 (20141022.1)
SourcePackage: lightdm
UpgradeStatus: Upgraded to xenial on 2016-05-17 (14 days ago)