[Samba] Samba Replication problem between two DCs

[Zombie Ryushu]

I am having issues with Samba DC replication between two directly
connected DCs.

I don't understand what is wrong or how to fix it. Can someone advise?

$ sudo samba-tool drs showrepl
Default-First-Site-Name\OLYMPIA
DSA Options: 0x00000001
DSA object GUID: 50507d18-c8ee-4ef4-bbda-4d0d9bc31caa
DSA invocationId: d7f3c683-fcf2-473c-be01-a6f58af6cb88

==== INBOUND NEIGHBORS ====

DC=DomainDnsZones,DC=pukey
?????????????? Default-First-Site-Name\KEFKA via RPC
?????????????????????????????? DSA object GUID: a35b2245-3340-4182-aaf8-dd344725805e
?????????????????????????????? Last attempt @ Mon Oct 28 20:25:21 2019 EDT failed,
result 2 (WERR_FILE_NOT_FOUND)
?????????????????????????????? 21813 consecutive failure(s).
?????????????????????????????? Last success @ Wed Aug 14 01:19:23 2019 EDT

DC=pukey
?????????????? Default-First-Site-Name\KEFKA via RPC
?????????????????????????????? DSA object GUID: a35b2245-3340-4182-aaf8-dd344725805e
?????????????????????????????? Last attempt @ Mon Oct 28 20:25:21 2019 EDT failed,
result 2 (WERR_FILE_NOT_FOUND)
?????????????????????????????? 21806 consecutive failure(s).
?????????????????????????????? Last success @ Wed Aug 14 01:19:19 2019 EDT

DC=ForestDnsZones,DC=pukey
?????????????? Default-First-Site-Name\KEFKA via RPC
?????????????????????????????? DSA object GUID: a35b2245-3340-4182-aaf8-dd344725805e
?????????????????????????????? Last attempt @ Mon Oct 28 20:25:21 2019 EDT failed,
result 2 (WERR_FILE_NOT_FOUND)
?????????????????????????????? 21812 consecutive failure(s).
?????????????????????????????? Last success @ Wed Aug 14 01:19:23 2019 EDT

CN=Configuration,DC=pukey
?????????????? Default-First-Site-Name\KEFKA via RPC
?????????????????????????????? DSA object GUID: a35b2245-3340-4182-aaf8-dd344725805e
?????????????????????????????? Last attempt @ Mon Oct 28 20:25:21 2019 EDT failed,
result 2 (WERR_FILE_NOT_FOUND)
?????????????????????????????? 21813 consecutive failure(s).
?????????????????????????????? Last success @ Wed Aug 14 01:19:18 2019 EDT

CN=Schema,CN=Configuration,DC=pukey
?????????????? Default-First-Site-Name\KEFKA via RPC
?????????????????????????????? DSA object GUID: a35b2245-3340-4182-aaf8-dd344725805e
?????????????????????????????? Last attempt @ Mon Oct 28 20:25:21 2019 EDT failed,
result 2 (WERR_FILE_NOT_FOUND)
?????????????????????????????? 21811 consecutive failure(s).
?????????????????????????????? Last success @ Wed Aug 14 01:19:14 2019 EDT

==== OUTBOUND NEIGHBORS ====

==== KCC CONNECTION OBJECTS ====

Connection --
?????????????? Connection name: 306b7c01-f16d-4a26-855b-516dd5f12f33
?????????????? Enabled?????????????? : TRUE
?????????????? Server DNS name : kefka.pukey
?????????????? Server DN name?? : CN=NTDS
Settings,CN=KEFKA,CN=Servers,CN=Default-First-Site-Name,CN=Sites,CN=Configuration,DC=pukey
?????????????????????????????? TransportType: RPC
?????????????????????????????? options: 0x00000001
Warning: No NC replicated for Connection!

Here is the other DC,

$ sudo samba-tool drs showrepl
Default-First-Site-Name\KEFKA
DSA Options: 0x00000001
DSA object GUID: a35b2245-3340-4182-aaf8-dd344725805e
DSA invocationId: 07b63046-64e7-43c1-84a2-8ba3541c712a

==== INBOUND NEIGHBORS ====

DC=DomainDnsZones,DC=pukey
?????????????? Default-First-Site-Name\OLYMPIA via RPC
?????????????????????????????? DSA object GUID: 50507d18-c8ee-4ef4-bbda-4d0d9bc31caa
?????????????????????????????? Last attempt @ Mon Oct 28 20:43:04 2019 EDT failed,
result 2 (WERR_FILE_NOT_FOUND)
?????????????????????????????? 1934 consecutive failure(s).
?????????????????????????????? Last success @ NTTIME(0)

DC=pukey
?????????????? Default-First-Site-Name\OLYMPIA via RPC
?????????????????????????????? DSA object GUID: 50507d18-c8ee-4ef4-bbda-4d0d9bc31caa
?????????????????????????????? Last attempt @ Mon Oct 28 20:43:04 2019 EDT failed,
result 2 (WERR_FILE_NOT_FOUND)
?????????????????????????????? 1934 consecutive failure(s).
?????????????????????????????? Last success @ NTTIME(0)

DC=ForestDnsZones,DC=pukey
?????????????? Default-First-Site-Name\OLYMPIA via RPC
?????????????????????????????? DSA object GUID: 50507d18-c8ee-4ef4-bbda-4d0d9bc31caa
?????????????????????????????? Last attempt @ Mon Oct 28 20:43:04 2019 EDT failed,
result 2 (WERR_FILE_NOT_FOUND)
?????????????????????????????? 1934 consecutive failure(s).
?????????????????????????????? Last success @ NTTIME(0)

CN=Configuration,DC=pukey
?????????????? Default-First-Site-Name\OLYMPIA via RPC
?????????????????????????????? DSA object GUID: 50507d18-c8ee-4ef4-bbda-4d0d9bc31caa
?????????????????????????????? Last attempt @ Mon Oct 28 20:43:04 2019 EDT failed,
result 2 (WERR_FILE_NOT_FOUND)
?????????????????????????????? 1934 consecutive failure(s).
?????????????????????????????? Last success @ NTTIME(0)

CN=Schema,CN=Configuration,DC=pukey
?????????????? Default-First-Site-Name\OLYMPIA via RPC
?????????????????????????????? DSA object GUID: 50507d18-c8ee-4ef4-bbda-4d0d9bc31caa
?????????????????????????????? Last attempt @ Mon Oct 28 20:43:04 2019 EDT failed,
result 2 (WERR_FILE_NOT_FOUND)
?????????????????????????????? 1933 consecutive failure(s).
?????????????????????????????? Last success @ NTTIME(0)

==== OUTBOUND NEIGHBORS ====

==== KCC CONNECTION OBJECTS ====

Connection --
?????????????? Connection name: 163a6f30-e1d3-4255-8b75-85fce23bb4c4
?????????????? Enabled?????????????? : TRUE
?????????????? Server DNS name : olympia.pukey
?????????????? Server DN name?? : CN=NTDS
Settings,CN=OLYMPIA,CN=Servers,CN=Default-First-Site-Name,CN=Sites,CN=Configuration,DC=pukey
?????????????????????????????? TransportType: RPC
?????????????????????????????? options: 0x00000001
Warning: No NC replicated for Connection!