[Samba] Error

[sandy.napoles at eccmg.cupet.cu]

hummm all is correct, if I install samba from sernet...can I have problem with my actual domain?????. My domain is working fine, only I have  3 problem.

1- The wallpaper is no aplicate in GPO with samba 4.2.3
2- When I run ./samba-tool ntacl sysvolcheck, err
ldb_wrap open of idmap.ldb
  ERROR(<type 'exceptions.TypeError'>): uncaught exception - (2, 'No such file or directory')
  File "/usr/local/samba/lib/python2.7/site-packages/samba/netcmd/__init__.py", line 175, in _run
  return self.run(*args, **kwargs)
  File "/usr/local/samba/lib/python2.7/site-packages/samba/netcmd/ntacl.py", line 249, in run
  lp)
  File "/usr/local/samba/lib/python2.7/site-packages/samba/provision/__init__.py", line 1730, in checksysvolacl
  direct_db_access)
  File "/usr/local/samba/lib/python2.7/site-packages/samba/provision/__init__.py", line 1681, in check_gpos_acl
  domainsid, direct_db_access)
  File "/usr/local/samba/lib/python2.7/site-packages/samba/provision/__init__.py", line 1625, in check_dir_acl
  fsacl = getntacl(lp, path, direct_db_access=direct_db_access, service=SYSVOL_SERVICE)
  File "/usr/local/samba/lib/python2.7/site-packages/samba/ntacls.py", line 73, in getntacl
  xattr.XATTR_NTACL_NAME)
3- When I run ./samba-tool ntacl sysvolreset, err
   connect_acl_xattr: setting 'inherit acls = true' 'dos filemode = true' and 'force unknown acl user = true' for    service sysvol
   open: error=2 (No such file or directory)
   ERROR(runtime): uncaught exception - (-1073741823, 'Undetermined error')
   File "/usr/local/samba/lib/python2.7/site-packages/samba/netcmd/__init__.py", line 175, in _run
   return self.run(*args, **kwargs)
   File "/usr/local/samba/lib/python2.7/site-packages/samba/netcmd/ntacl.py", line 218, in run
   lp, use_ntvfs=use_ntvfs)
   File "/usr/local/samba/lib/python2.7/site-packages/samba/provision/__init__.py", line 1616, in setsysvolacl
   set_gpos_acl(sysvol, dnsdomain, domainsid, domaindn, samdb, lp, use_ntvfs, passdb=s4_passdb)
   File "/usr/local/samba/lib/python2.7/site-packages/samba/provision/__init__.py", line 1521, in set_gpos_acl
   passdb=passdb)
   File "/usr/local/samba/lib/python2.7/site-packages/samba/provision/__init__.py", line 1484, in set_dir_acl
   setntacl(lp, path, acl, domsid, use_ntvfs=use_ntvfs, skip_invalid_chown=True, passdb=passdb, service=service)
   File "/usr/local/samba/lib/python2.7/site-packages/samba/ntacls.py", line 154, in setntacl
   smbd.set_nt_acl(file, security.SECINFO_OWNER | security.SECINFO_GROUP | security.SECINFO_DACL |    security.SECINFO_SACL, sd, service=service)