hi,
i upgrade from 7.2 to 8.0 and enable Lazy Mode Auto-Provisioning with AD, the following error is occurred,

2012-09-30 14:03:24,996 INFO [qtp364656927-530:http://127.0.0.1:80/service/soap/AuthRequest] [ua=zclient/8.0.0_GA_5434;] account - unable to auto provisioing acct phusr
com.zimbra.cs.account.AccountServiceException: no such external entry: phusr
ExceptionId:qtp364656927-530:http://127.0.0.1:80/service/soap/Aut...eddb04810992f9
Code:account.NO_SUCH_EXTERNAL_ENTRY


here is my configuration

zimbraAutoProvAccountNameMap: sAMAccountName
zimbraAutoProvAttrMap: sn=displayName
zimbraAutoProvAuthMech: LDAP
zimbraAutoProvLdapAdminBindDn: CN=zldap,CN=Users,DC=mydomain,DC=com
zimbraAutoProvLdapAdminBindPassword: 12345678
zimbraAutoProvLdapSearchFilter: OU=MASTERSTUDENTS,OU=STUDENTS,DC=mydomain,DC=com
zimbraAutoProvLdapURL: ldap://10.0.100.31:3268
zimbraAutoProvMode: LAZY


thanks