[Samba] samba-tool drs showrepl not reporting last attempt/success time correctly
lingpanda101
lingpanda101 at gmail.com
Fri Jul 13 13:26:09 UTC 2018
On 7/13/2018 9:19 AM, Ing. Claudio Nicora via samba wrote:
> I'm having a strange"samba-tool drs showrepl" output and I don't know
> where to start to fix it.
>
> My environment:
> - SRVWIN: Win2008R2 DC server
> - SRVSAMBA: Samba 4.7.6 DC on Ubuntu 18.04 Server
> - SRVSAMBA2: Samba 4.7.6 DC on Ubuntu 18.04 Server
>
> To test AD replication I've created an user object on SRVWIN and it
> appears on both SRVSAMBA and SRVSAMBA2 (checked with ADUC from SRVWIN).
> Then I changed the user object on SRVSAMBA and changes are reflected
> on both SRVWIN and SRVSAMBA2.
> Finally I've deleted the user object from SRVSAMBA2 and it disappeared
> on all DCs.
>
> I'm supposing replication works correctly, but "samba-tool drs
> showrepl" on Samba servers shows something strange:
> INBOUND NEIGHBORS items are all ok while OUTBOUND NEIGHBORS to/from
> Samba servers shows "NTTIME(0)" instead of the expected
> attempt/success dates.
>
> This is the output of "samba-tool drs showrepl" run on SRVSAMBA.
> Running it on SRVSAMBA2 gives the same output, just swap SRVSAMBA with
> SRVSAMBA2.
>
> Is this expected?
> How could I fix it?
>
> Thanks
> Claudio
>
>
> ********************************************************************
> # samba-tool drs showrepl
> Default-First-Site-Name\SRVSAMBA
> DSA Options: 0x00000001
> DSA object GUID: 61eeaa1e-8786-474d-97e9-73d016cbfabe
> DSA invocationId: 5b85ee7e-afb5-4ea7-b507-84559aa9ca8b
>
> ==== INBOUND NEIGHBORS ====
>
> CN=Schema,CN=Configuration,DC=SAMDOM,DC=LOCAL
> Default-First-Site-Name\SRVSAMBA2 via RPC
> DSA object GUID: a21f165c-9fc8-4024-83e9-89f182f05077
> Last attempt @ Fri Jul 13 14:53:02 2018 CEST was
> successful
> 0 consecutive failure(s).
> Last success @ Fri Jul 13 14:53:02 2018 CEST
>
> CN=Schema,CN=Configuration,DC=SAMDOM,DC=LOCAL
> Default-First-Site-Name\SRVWIN via RPC
> DSA object GUID: 237cdbec-2e42-4b36-b571-eea51daaa535
> Last attempt @ Fri Jul 13 14:53:02 2018 CEST was
> successful
> 0 consecutive failure(s).
> Last success @ Fri Jul 13 14:53:02 2018 CEST
>
> CN=Configuration,DC=SAMDOM,DC=LOCAL
> Default-First-Site-Name\SRVSAMBA2 via RPC
> DSA object GUID: a21f165c-9fc8-4024-83e9-89f182f05077
> Last attempt @ Fri Jul 13 14:53:02 2018 CEST was
> successful
> 0 consecutive failure(s).
> Last success @ Fri Jul 13 14:53:02 2018 CEST
>
> CN=Configuration,DC=SAMDOM,DC=LOCAL
> Default-First-Site-Name\SRVWIN via RPC
> DSA object GUID: 237cdbec-2e42-4b36-b571-eea51daaa535
> Last attempt @ Fri Jul 13 14:53:35 2018 CEST was
> successful
> 0 consecutive failure(s).
> Last success @ Fri Jul 13 14:53:35 2018 CEST
>
> DC=ForestDnsZones,DC=SAMDOM,DC=LOCAL
> Default-First-Site-Name\SRVSAMBA2 via RPC
> DSA object GUID: a21f165c-9fc8-4024-83e9-89f182f05077
> Last attempt @ Fri Jul 13 14:53:02 2018 CEST was
> successful
> 0 consecutive failure(s).
> Last success @ Fri Jul 13 14:53:02 2018 CEST
>
> DC=ForestDnsZones,DC=SAMDOM,DC=LOCAL
> Default-First-Site-Name\SRVWIN via RPC
> DSA object GUID: 237cdbec-2e42-4b36-b571-eea51daaa535
> Last attempt @ Fri Jul 13 14:53:02 2018 CEST was
> successful
> 0 consecutive failure(s).
> Last success @ Fri Jul 13 14:53:02 2018 CEST
>
> DC=DomainDnsZones,DC=SAMDOM,DC=LOCAL
> Default-First-Site-Name\SRVSAMBA2 via RPC
> DSA object GUID: a21f165c-9fc8-4024-83e9-89f182f05077
> Last attempt @ Fri Jul 13 14:53:02 2018 CEST was
> successful
> 0 consecutive failure(s).
> Last success @ Fri Jul 13 14:53:02 2018 CEST
>
> DC=DomainDnsZones,DC=SAMDOM,DC=LOCAL
> Default-First-Site-Name\SRVWIN via RPC
> DSA object GUID: 237cdbec-2e42-4b36-b571-eea51daaa535
> Last attempt @ Fri Jul 13 14:53:02 2018 CEST was
> successful
> 0 consecutive failure(s).
> Last success @ Fri Jul 13 14:53:02 2018 CEST
>
> DC=SAMDOM,DC=LOCAL
> Default-First-Site-Name\SRVSAMBA2 via RPC
> DSA object GUID: a21f165c-9fc8-4024-83e9-89f182f05077
> Last attempt @ Fri Jul 13 14:53:02 2018 CEST was
> successful
> 0 consecutive failure(s).
> Last success @ Fri Jul 13 14:53:02 2018 CEST
>
> DC=SAMDOM,DC=LOCAL
> Default-First-Site-Name\SRVWIN via RPC
> DSA object GUID: 237cdbec-2e42-4b36-b571-eea51daaa535
> Last attempt @ Fri Jul 13 14:54:16 2018 CEST was
> successful
> 0 consecutive failure(s).
> Last success @ Fri Jul 13 14:54:16 2018 CEST
>
> ==== OUTBOUND NEIGHBORS ====
>
> CN=Schema,CN=Configuration,DC=SAMDOM,DC=LOCAL
> Default-First-Site-Name\SRVWIN via RPC
> DSA object GUID: 237cdbec-2e42-4b36-b571-eea51daaa535
> Last attempt @ Fri Jul 13 11:27:52 2018 CEST was
> successful
> 0 consecutive failure(s).
> Last success @ Fri Jul 13 11:27:52 2018 CEST
>
> CN=Schema,CN=Configuration,DC=SAMDOM,DC=LOCAL
> Default-First-Site-Name\SRVSAMBA2 via RPC
> DSA object GUID: a21f165c-9fc8-4024-83e9-89f182f05077
> Last attempt @ NTTIME(0) was successful
> 0 consecutive failure(s).
> Last success @ NTTIME(0)
>
> CN=Configuration,DC=SAMDOM,DC=LOCAL
> Default-First-Site-Name\SRVWIN via RPC
> DSA object GUID: 237cdbec-2e42-4b36-b571-eea51daaa535
> Last attempt @ Fri Jul 13 14:38:44 2018 CEST was
> successful
> 0 consecutive failure(s).
> Last success @ Fri Jul 13 14:38:44 2018 CEST
>
> CN=Configuration,DC=SAMDOM,DC=LOCAL
> Default-First-Site-Name\SRVSAMBA2 via RPC
> DSA object GUID: a21f165c-9fc8-4024-83e9-89f182f05077
> Last attempt @ NTTIME(0) was successful
> 0 consecutive failure(s).
> Last success @ NTTIME(0)
>
> DC=ForestDnsZones,DC=SAMDOM,DC=LOCAL
> Default-First-Site-Name\SRVWIN via RPC
> DSA object GUID: 237cdbec-2e42-4b36-b571-eea51daaa535
> Last attempt @ Fri Jul 13 14:50:50 2018 CEST was
> successful
> 0 consecutive failure(s).
> Last success @ Fri Jul 13 14:50:50 2018 CEST
>
> DC=ForestDnsZones,DC=SAMDOM,DC=LOCAL
> Default-First-Site-Name\SRVSAMBA2 via RPC
> DSA object GUID: a21f165c-9fc8-4024-83e9-89f182f05077
> Last attempt @ NTTIME(0) was successful
> 0 consecutive failure(s).
> Last success @ NTTIME(0)
>
> DC=DomainDnsZones,DC=SAMDOM,DC=LOCAL
> Default-First-Site-Name\SRVWIN via RPC
> DSA object GUID: 237cdbec-2e42-4b36-b571-eea51daaa535
> Last attempt @ Fri Jul 13 14:49:40 2018 CEST was
> successful
> 0 consecutive failure(s).
> Last success @ Fri Jul 13 14:49:40 2018 CEST
>
> DC=DomainDnsZones,DC=SAMDOM,DC=LOCAL
> Default-First-Site-Name\SRVSAMBA2 via RPC
> DSA object GUID: a21f165c-9fc8-4024-83e9-89f182f05077
> Last attempt @ NTTIME(0) was successful
> 0 consecutive failure(s).
> Last success @ NTTIME(0)
>
> DC=SAMDOM,DC=LOCAL
> Default-First-Site-Name\SRVWIN via RPC
> DSA object GUID: 237cdbec-2e42-4b36-b571-eea51daaa535
> Last attempt @ Fri Jul 13 11:45:38 2018 CEST was
> successful
> 0 consecutive failure(s).
> Last success @ Fri Jul 13 11:45:38 2018 CEST
>
> DC=SAMDOM,DC=LOCAL
> Default-First-Site-Name\SRVSAMBA2 via RPC
> DSA object GUID: a21f165c-9fc8-4024-83e9-89f182f05077
> Last attempt @ NTTIME(0) was successful
> 0 consecutive failure(s).
> Last success @ NTTIME(0)
>
> ==== KCC CONNECTION OBJECTS ====
>
> Connection --
> Connection name: 16ec9821-3197-4401-8e71-f52a8030cf3a
> Enabled : TRUE
> Server DNS name : srvsamba2.SAMDOM.LOCAL
> Server DN name : CN=NTDS
> Settings,CN=SRVSAMBA2,CN=Servers,CN=Default-First-Site-Name,CN=Sites,CN=Configuration,DC=SAMDOM,DC=LOCAL
> TransportType: RPC
> options: 0x00000001
> Warning: No NC replicated for Connection!
> Connection --
> Connection name: 81e9a664-1afe-4a1e-85e4-2b0bf7712f6f
> Enabled : TRUE
> Server DNS name : SRVWIN.samdom.local
> Server DN name : CN=NTDS
> Settings,CN=SRVWIN,CN=Servers,CN=Default-First-Site-Name,CN=Sites,CN=Configuration,DC=SAMDOM,DC=LOCAL
> TransportType: RPC
> options: 0x00000001
> Warning: No NC replicated for Connection!
>
> ****************************************************
>
>
>
It's expected. You would see the failure count increment if you did have
a issue.
-James
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