TeamCity - Ldap Integration ( Group Sync ) Not working

Hi,
I am from Apple. We are trying to integrate Ldap to Teamcity.
I have configured all the required properties in (ldap-config.properties) file. I have written all the required config properties in it.

Problem:

My user name is in a group called A. When i try to login to teamcity, i am able to login and

Things working -- under GENERAL TAB

1. It's populating ( Username, Name, Email Address )
2. It's populating ( Jabber accout details )                   

Not working -- under GROUPS TAB

1. It's NOT populating the GROUP that i am actually in ( A ) under the group name table.

Here is the properties that I have written in the file::
Please help me out if i am missing any property for the group sync in the file



### MANDATORY SETTINGS ###

#—————————————————————————————————————————————————————————————#
##### LDAP Login and Active Directory ######

java.naming.provider.url=ldap://od.xxxxx.com:xxx/dc=xxxxx,dc=com
java.naming.security.principal=uid=xxxxxxxxxxx,cn=users,dc=xxxxx,dc=com
java.naming.security.credentials=xxxxxxxxxxxxx
teamcity.users.login.filter=(uid=$capturedLogin$)
teamcity.users.username=uid
java.naming.security.authentication=simple
java.naming.referral=follow
#—————————————————————————————————————————————————————————————#

### USERNAME TRANSFORMATION SETTINGS ###

#—————————————————————————————————————————————————————————————#
##### User Login Check with out Domain  ######

teamcity.auth.login.filter=[^/\\\\@]+
# teamcity.auth.loginFilter=.*
#—————————————————————————————————————————————————————————————#


####################################################################################################
# LDAP SYNCHRONIZATION
####################################################################################################

### USERS SETTINGS ###
#—————————————————————————————————————————————————————————————#
##### User Profile Mapping ######

teamcity.users.base=cn=users
teamcity.users.property.displayName=cn
teamcity.users.property.email=mail
teamcity.users.properties.resolve=true
teamcity.users.property.plugin\:notificator\:jabber\:jabber-account=%ldap.userEntry.uid%@im.xxxxx.com
teamcity.users.property.plugin:vcs:git:anyVcsRoot=mail
teamcity.options.users.synchronize=true
teamcity.users.filter=(&(objectClass=apple-user))

#—————————————————————————————————————————————————————————————#
##### Active Directory with User Creation ######

#teamcity.options.users.synchronize.createUsers=true
teamcity.options.createUsers=true
#teamcity.options.users.synchronize.deleteUsers=true
#teamcity.options.deleteUsers=true

#—————————————————————————————————————————————————————————————#
##### Group Linking######

teamcity.options.groups.synchronize=true
teamcity.groups.base=cn=groups
teamcity.groups.property.member=memberUid
teamcity.groups.property.memberId=cn
teamcity.groups.filter=(cn=xxxxxxx)

#—————————————————————————————————————————————————————————————#
##### Optional Settings ######

teamcity.options.syncTimeout=3600000
teamcity.property.distinguishedName=dn

teamcity.users.property.resolve=true