replication seems to fail every few days

[Greg Dickie]

Hi,

 I'm running a domain with 2 samba4 DCs and it seems like every week or
2 I get a replication failure on one of them and need to restart. 

When it fails I get this:

[root at ads2 ~]# /usr/local/samba/bin/samba-tool drs showrepl
Default-First-Site-Name\ADS2
DSA Options: 0x00000001
DSA object GUID: 46f6864c-3d13-4702-b30f-868333d6983d
DSA invocationId: 490683ed-89ac-4b35-ad80-e3a33548a2fe

==== INBOUND NEIGHBORS ====

ERROR(runtime): DsReplicaGetInfo of type 0 failed - (-1073610723,
'NT_STATUS_RPC_PROTOCOL_ERROR')

and in the logs (default log level I get:

[2012/06/21 07:45:16,
0] ../source4/rpc_server/common/forward.c:51(dcesrv_irpc_forward_callback)
  IRPC callback failed for DsReplicaGetInfo -
NT_STATUS_CONNECTION_REFUSED


Any ideas?
thanks,
Greg

-- 
Greg Dickie
just a guy
514-983-5400