Hello,
     I'm receiving the following in my syslog.
Oct 16 15:34:28 pfdc3 samba[1188]: [2014/10/16 15:34:28.182997,  0] 
../source4/rpc_server/drsuapi/getncchanges.c:1646(dcesrv_drsuapi_DsGetNCChanges)
Oct 16 15:34:28 pfdc3 samba[1188]: 
../source4/rpc_server/drsuapi/getncchanges.c:1646: DsGetNCChanges 2nd 
replication on different DN DC=ForestDnsZones,DC=mydomain,DC=local 
DC=DomainDnsZones,DC=mydomain,DC=local
[2014/10/16 15:36:31.686536,  0] 
../lib/ldb-samba/ldb_wrap.c:71(ldb_wrap_debug)
Oct 16 15:36:31 pfdc3 samba[1188]:   ldb: ltdb: 
tdb(/usr/local/samba/private/sam.ldb.d/DC=DOMAINDNSZONES,DC=MYDOMAIN,DC=LOCAL.ldb):
tdb_rec_read bad magic 0xd9fee666 at offset=290196840
What exactly is corrupt and how do I fix it? This is in a multi domain 
controller environment and only appears on one domain controller.
-- 
-James