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Re: [Samba] DRS Replication between two DC's Failing

On 1/12/2018 11:57 AM, Kukreja H.Kukreja wrote:
Yes they exists on both the DC’s.

DC1 Samba 4.6.12
DC2 Samba 4.7.4

Sent from my iPhone

On 12 Jan 2018, at 6:34 PM, lingpanda101 <lingpanda101@xxxxxxxxx <mailto:lingpanda101@xxxxxxxxx>> wrote:

On 1/12/2018 3:27 AM, Harsh Kukreja wrote:
Hi James

Thanks for your response.

hots -t A iumsvrpdc (use it's fqdn as well) I have verified it with the FQDN which says that the record iumsvrpdc.iumnet.edu.na <http://iumsvrpdc.iumnet.edu.na> exists

Search for 'iumsvrpdc' objectGUID

ldbsearch -H /usr/local/samba/private/sam.ldb '(invocationId=*)' --cross-ncs objectguid :it shows 2 records found

# record 1

dn: CN=NTDS Settings,CN=IUMDCDP01,CN=Servers,CN=Default-First-Site-Name,CN=Sites,CN=Configuration,DC=iumnet,DC=edu,DC=na

# record 2

dn: CN=NTDS Settings,CN=IUMSVRPDC,CN=Servers,CN=Default-First-Site-Name,CN=Sites,CN=Configuration,DC=iumnet,DC=edu,DC=na

# returned 2 records

# 2 entries

# 0 referrals

host -t CNAME objectGUID-for-iumsvrpdc._msdcs.samdom.example.com <http://msdcs.samdom.example.com/>

host -t CNAME iumsvrpdc._msdcs.iumnet.edu.na <http://msdcs.iumnet.edu.na>

iumsvrpdc._msdcs.iumnet.edu.na <http://msdcs.iumnet.edu.na> is an alias for 27182378-a9c7-451e-bb95-7b2172a5f311._msdcs.iumnet.edu.na <http://msdcs.iumnet.edu.na>

Reference the wiki if needed. https://wiki.samba.org/index.php/Verifying_and_Creating_a_DC_DNS_Record <https://wiki.samba.org/index.php/Verifying_and_Creating_a_DC_DNS_Record>

Just to confirm you are attempting to replicate from 'iumsvrpdc' to 'iumdcdp01.iumnet.edu.na <http://iumdcdp01.iumnet.edu.na/>'? YES

Please assist to resolve this issue.

*Harsh Kukreja *Systems Administrator

**International University of Namibia**Tel: 061-4336000 - E-mail: h.kukreja@xxxxxxxxxx <mailto:h.kukreja@xxxxxxxxxx> - Web: _http://www.ium.edu.na <http://www.ium.edu.na/> _Private Bag 14005,Bachbrech. 21-31 Hercules Street, Dorado Park, Windhoek, NAMIBIA



    Do those records exists on both DC's? What version of Samba are you running?

I do not know. Was there a recent update/upgrade that caused the replication failure? The issue looks similar to this bug in versions prior to 4.7.0.



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