Hi Matthieu:
I'll update you when we have finished product.

Regards,
Obaid Farooqi
Sr. Support Escalation Engineer | Microsoft

-----Original Message-----
From: Matthieu Patou [mailto:[email protected]] 
Sent: Saturday, May 22, 2010 10:58 PM
To: Obaid Farooqi
Cc: MSSolve Case Email; [email protected]; [email protected]
Subject: Re: [REG:210050354365053003] more ms-dfsc.pdf questions

On 23/05/2010 06:43, Obaid Farooqi wrote:
> Hi Matthieu:
> You are correct. This PDF only has additions mentioned in this email. Do want 
> me to send you the previous PDF again?
>
>    
No, but I'm interested to see the final result of the different investigation 
when it will be ready.

Regards.
Matthieu Patou.
> Regards,
> Obaid Farooqi
> Sr. Support Escalation Engineer | Microsoft
>
> -----Original Message-----
> From: Matthieu Patou [mailto:[email protected]]
> Sent: Saturday, May 22, 2010 12:53 PM
> To: Obaid Farooqi
> Cc: MSSolve Case Email; [email protected]; [email protected]
> Subject: Re: [REG:210050354365053003] more ms-dfsc.pdf questions
>
> Hi obaid,
>
> it seems that the attached pdf didn't included result of investigation of the 
> previous batch (the one where you told me about SiteCostedReferrals parameter 
> in registry for instance) right ?
>
> Matthieu.
>
>
>
> On 22/05/2010 01:31, Obaid Farooqi wrote:
>    
>> With PDF attached.
>>
>> -----Original Message-----
>> From: Obaid Farooqi
>> Sent: Friday, May 21, 2010 4:28 PM
>> To: 'Matthieu Patou'
>> Cc: MSSolve Case Email; '[email protected]'; '[email protected]'
>> Subject: RE:[REG:210050354365053003] more ms-dfsc.pdf questions
>>
>> Hi Matthieu:
>> We have finished our investigation on your question regarding the registry 
>> parameter effecting DFS referral and the storage of in-site settings. I have 
>> arranged the information in question answer format for clarity as follows. I 
>> have also attached a PDF file to highlight the additions.
>>
>> Q. Well here my question was more about the parameters, for instance the 
>> least-expensive parameter is called SiteCostedReferrals and is stored in 
>> HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Dfs\Parameters\.
>> At least there is the same-site parameter that influence the way DFS 
>> referral are answered, where this parameter is stored ? Is there any other 
>> parameter that influence DFS ?
>>
>> A. The parameter for in-site (same-site) targets is stored in Active 
>> Directory in as follows:
>>      For DomainV1-Based DFS Namespace, the in-site setting is stored in 
>> PKT_ENTRY_TYPE_INSITE_ONLY bit in DFSRootOrLinkIDBLOB metadata, as 
>> specified in section 2.3.3.1.1.2 of MS-DFSNM
>>
>>      For Domainv2-Based DFS Namespace, the in-site setting is stored in 
>> InsiteReferral attribute as specified in section 2.3.4.2 of MS-DFSNM.
>>
>> A future release of MS-DFSC will include the following additions:
>>
>> 3.2.5.5   Receiving a Root Referral Request or Link Referral Request
>> ---------------------------------------------------------------------
>> -
>> -----------
>>
>> If DFS in-site referral mode is enabled on the root, root referrals and link 
>> referrals return only targets that are in the same site as the client. If no 
>> root or link targets exist in the same site of the client, then no referral 
>> is returned and the client cannot access that portion of the namespace. If 
>> this setting is enabled on a link, and no link targets exist in the same 
>> site of the client, then no referral is returned and the client cannot 
>> access the link.
>>      
>> 3.3.5.3   Receiving a DC Referral Request
>> -----------------------------------------------------
>> If preferred logon is enabled on domain controller<WBN 1>, then the 
>> server MUST place itself on top of the DC referral response
>>
>> <WBN 1>   On Windows-based domain controller preferred logon is enabled by 
>> setting PreferlogonDC value in the registry key 
>> HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Dfs\Parameters\ to 1 
>> (see MSKB-831201).
>>
>>
>> 3.3.5.4   Receiving a sysvol Referral Request
>> -----------------------------------------------------
>> If preferred logon is enabled on domain controller<WBN 2>, then the 
>> server MUST place itself on top of the DC referral response
>>
>> <WBN 2>   On Windows-based domain controller preferred logon is enabled by 
>> setting PreferlogonDC value in the registry key 
>> HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Dfs\Parameters\ to 
>> 1(see MSKB-831201).
>>
>>
>>
>> After the addition of the parameter mentioned above, all the registry 
>> parameters that effect DFS referral are documented in MS-DFSC.
>>
>>
>>
>> Q.
>>      >   Q. Ok so we consider that a client not within a site has all the 
>> DCs out of his site right ?
>>      >
>>      >   A. If the client has no IP address to Site mapping in AD, then the 
>> targets in the referral response would be sorted randomly.
>>      >
>>      Ok, that's clear. Does the "same site" setting have an influence on 
>> this ?
>>      Will this information be added somehow in the MS-DFSC ?
>>
>> A. As I have already communicated in an earlier email, same-site (in-site) 
>> setting has no effect on DC referral. The additions to MS-DFSC mentioned 
>> above make it clear that in-site setting only effect root and link referrals.
>>
>> My answer "If the client has no IP address to Site mapping in AD, then the 
>> targets in the referral response would be sorted randomly." is drawn from 
>> the following additions to MS-DFSC that I have already communicated in an 
>> email dated May 11, 2010:
>>
>> 3.3.1.1 Algorithm for sorting target sites in referral response based on 
>> site location
>>        DFS server places target servers in the referral response in the 
>> following order:
>>      -  Targets in the same site as the client are listed at the top of the 
>> referral response in random order.
>>      -  Targets outside of the client's site are appended to the response in 
>> random order.
>>
>> Please let me know if it answers your questions. If it does, I'll consider 
>> this issue resolved.
>>
>> Regards,
>> Obaid Farooqi
>> Sr. Support Escalation Engineer | Microsoft
>>
>>
>> Microsoft is committed to protecting your privacy.  Please read the 
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>> Engineer on the TO: line. Thank you.
>>
>>      
>
>    


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