I've updated the openLdap version from 2.4.12 to 2.4.23, and it works corre= ctly. =0A=0APreviously, I installed the OpenLdap 2.4.12 directly by YaST So= ftware Management of SUSE Linux Enterprise Server 11, and the Linux was ins= talled in VMWare 7.0. =0A=0AI don't know if the unstable synchronization is= a common issue of the openLdap 2.4.12? =0A=0AThanks and Best Regards,=0ACh= angHong=0A=0A=0A=0A=0A