I have upgraded to 5.0.b from 4.2.f community. Most of my groups are now empty in alfresco. It seems like it is not synchronising fully.I have used the following config for all previous version of alfressco community since 3.4.d
### AD SSO
authentication.chain=passthru1:passthru,ldap1:ldap-ad
alfresco.authentication.authenticateCIFS=false
ntlm.authentication.sso.enabled=true
passthru.authentication.authenticateCIFS=true
ldap.authentication.active=false
ldap.synchronization.active=true
ldap.authentication.userNameFormat=%s
ldap.authentication.allowGuestLogin=false
ldap.authentication.escapeCommasInBind=false
ldap.authentication.escapeCommasInUid=false
ldap.authentication.java.naming.security.authentication=simple
ldap.authentication.java.naming.factory.initial=com.sun.jndi.ldap.LdapCtxFactory
ldap.authentication.java.naming.provider.url=ldap://echo.uk.domain.com:389
ldap.synchronization.java.naming.security.authenticaton=simple
ldap.synchronization.java.naming.security.principal=administrator@domain.com
ldap.synchronization.java.naming.security.credentials=***
ldap.synchronization.userSearchBase=ou\=Sites,dc\=domain,dc\=com
synchronization.synchronizeChangesOnly=false
### synchronization.import.cron=0 0 0 * * ?
synchronization.syncWhenMissingPeopleLogIn=true
synchronization.autoCreatePeopleOnLogin=true
passthru.authentication.domain=DOMAIN
passthru.authentication.servers=DOMAIN\\echo.uk.domain.com,DOMAIN\\jarvis.usa.domain.com
passthru.authentication.defaultAdministratorUserNames=johnl,markw,administrator,alfresco,sharifu
ldap.synchronization.queryBatchSize=1000
#ldap.synchronization.groupDifferentialQuery=(&(objectclass=nogroup)(!(modifyTimestamp<\={0})))
#ldap.synchronization.personQuery=(&(objectclass=user)(userAccountControl\:1.2.840.113556.1.4.803\:\=512))
#ldap.synchronization.personDifferentialQuery=(& (objectclass=user)(!(modifyTimestamp<\={0})))
ldap.synchronization.groupQuery=(objectclass\=group)
ldap.synchronization.groupSearchBase=cn\=users,dc\=domain,dc\=com
# Delay indexing to improve replication performance
#index.tracking.disableInTransactionIndexing=true
#lucene.maxAtomicTransformationTime=0