Hi all. I have synk problem. ERROR(<class 'samba.drs_utils.drsException'>): DsReplicaSync failed - drsException: DsReplicaSync failed (8418, 'WERR_DS_DRA_SCHEMA_MISMATCH') File "/usr/lib/python2.7/dist-packages/samba/netcmd/drs.py", line 345, in run drs_utils.sendDsReplicaSync(self.drsuapi, self.drsuapi_handle, source_dsa_guid, NC, req_options) File "/usr/lib/python2.7/dist-packages/samba/drs_utils.py", line 83, in sendDsReplicaSync raise drsException("DsReplicaSync failed %s" % estr) Synk from windows to samba - ok I check schema to Windows server and Zentyal: samba-tool ldapcmp ldap://db1 ldap://db2 domain I have a lot of errors, like: Comparing: 'CN=Administrator,CN=Users,DC=test,DC=net' [ldap://db1] 'CN=Administrator,CN=Users,DC=test,DC=net' [ldap://db2] Attributes found only in ldap://db1: msExchPreviousHomeMDB FAILED Comparing: 'CN=Andrey Shiba,OU=Kiev,OU=OfficeUsers,DC=test,DC=net' [ldap://db1] 'CN=Andrey Shiba,OU=Kiev,OU=OfficeUsers,DC=test,DC=net' [ldap://db2] Difference in attribute values: userParameters => ['m\x00:\x00 \x00 \x00 \x00 \x00 \x00 \x00 \x00 \x00 \x00 \x00 \x00 \x00 \x00 \x00 \x00 \x00 \x00 \x00 \x00 \x00d\x00\t\x00 \x00 \x00 \x00 \x00 \x00 \x00 \x00 \x00 \x00 \x00 \x00 \x00 \x00 \x00 \x00 \x00 \x00 \x00 \x00 \x00 \x00 \x00 \x00 \x00'] ['m: d\t '] FAILED I have a different schema on Zentyal and Windows server 2008 R2. samba -V Version 4.1.13 less /etc/issue Ubuntu 14.04.1 LTS How I can fix that problem? Best regards Yura Sakharov