Hi Andrew:
Each DC is responsible for maintaining its msDS-HasInstantiatedNCs attribute in 
a correct state. In Windows, this attribute is populated after the first reboot 
right after the server is promoted to DC by iterating through the instantiated 
NC’s.

Please note there are other requirements around this attribute, and other 
attributes related to it, in other sections of MS-ADTS; in particular please 
also see section 6.1.2.3 “Hosting Requirements”.

Regards,
Obaid Farooqi
Escalation Engineer | Microsoft

Exceeding your expectations is my highest priority.  If you would like to 
provide feedback on your case you may contact my manager at nkang at Microsoft 
dot com


-----Original Message-----
From: Obaid Farooqi 
Sent: Tuesday, June 26, 2012 12:15 PM
To: 'Andrew Bartlett'
Cc: cifs-proto...@samba.org; MSSolve Case Email
Subject: RE:[REG:112062456011515] msDS-HasInstantiatedNCs

Hi Andrew:
I'll help you with this issue and will be in touch as soon as I have an answer.

Regards,
Obaid Farooqi
Escalation Engineer | Microsoft

Exceeding your expectations is my highest priority.  If you would like to 
provide feedback on your case you may contact my manager at nkang at Microsoft 
dot com

-----Original Message-----
From: Andrew Bartlett [mailto:abart...@samba.org]
Sent: Sunday, June 24, 2012 2:48 AM
To: Interoperability Documentation Help
Cc: cifs-proto...@samba.org
Subject: msDS-HasInstantiatedNCs

In MS-ADTS 6.1.1.2.2.1.2.1.1 nTDSDSA Object it says:

msDS-HasInstantiatedNCs: Contains an Object(DN-Binary) value for each NC 
replica that is hosted by this DC. The DN field is the DN of the root object of 
the NC. The Binary field contains the value of the instanceType attribute on 
the root object of the NC. This is a binary encoding of attribute instanceType 
with little-endian byte ordering. 

Requirement: The DN fields of all the values of msDS-HasInstantiatedNCs must be 
equal to the set of DNs contained in the values of msDS-hasMasterNCs and 
hasPartialReplicaNCs.

http://msdn.microsoft.com/en-us/library/cc223545%28v=prot.10%29.aspx

Who is the Requirement enforced by?  Is it a requirement that the client (the 
newly joining DC) set and maintain this, or that the existing DC being joined 
must maintain this?

Thanks,

Andrew Bartlett

-- 
Andrew Bartlett                                http://samba.org/~abartlet/
Authentication Developer, Samba Team           http://samba.org



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