--- /usr/share/pyshared/samba/ntacls.py.orig	2014-01-07 19:29:18.804000000 +0100
+++ /usr/share/pyshared/samba/ntacls.py	2014-01-07 19:52:24.648000000 +0100
@@ -117,10 +117,13 @@
                     sd2 = sd
                     sd2.owner_sid = administrator
 
-                    smbd.set_nt_acl(file, security.SECINFO_OWNER |security.SECINFO_GROUP | security.SECINFO_DACL | security.SECINFO_SACL, sd2, service=service)
-
-                    # and then set an NTVFS ACL (which does not set the posix ACL) to pretend the owner really was set
-                    use_ntvfs = True
+                    try:
+                        smbd.set_nt_acl(file, security.SECINFO_OWNER |security.SECINFO_GROUP | security.SECINFO_DACL | security.SECINFO_SACL, sd2, service=service)
+                    except Exception as exc:
+                        print "set_nt_acl failed for %s: %s" % (file, exc)
+                    else:
+                        # and then set an NTVFS ACL (which does not set the posix ACL) to pretend the owner really was set
+                        use_ntvfs = True
                 else:
                     raise XattrBackendError("Unable to find UID for domain administrator %s, got id %d of type %d" % (administrator, admin_id, admin_type))
             else:
@@ -151,7 +154,10 @@
             samba.xattr_native.wrap_setxattr(file, xattr.XATTR_NTACL_NAME,
                                              ndr_pack(ntacl))
     else:
-        smbd.set_nt_acl(file, security.SECINFO_OWNER | security.SECINFO_GROUP | security.SECINFO_DACL | security.SECINFO_SACL, sd, service=service)
+        try:
+            smbd.set_nt_acl(file, security.SECINFO_OWNER | security.SECINFO_GROUP | security.SECINFO_DACL | security.SECINFO_SACL, sd, service=service)
+        except Exception as exc:
+            print "set_nt_acl failed for %s: %s" % (file, exc)
 
 
 def ldapmask2filemask(ldm):