Re: Long Delays in DFS Namespace Referral Requests

So the purpose of this thread is to find out "how to shorten or speed up the
referal " ?

i will also check with ms how this can be done

"tstumpf" <> wrote in message
news:d9e1e74a-8532-4ea2-bc1a-...
>I have been having this trouble for a while now, and I have an open
> case with Microsoft support to work on this issue, but so far, we have
> not been able to solve this.
>
> When accessing a DFS namespace share, if the share has not been
> accessed recently (within the referal cache timeout period) there will
> be a long 20+ second delay from the time you try to open the share to
> when the contents of the share are displayed on the screen.
>
> We have done some extensive network traffic capturing, and we have
> found that there is a delay of about 20 seconds from the DFS Referral
> Request to the DFS Referral Response, with very little else happening
> between. Below is a sample of the packet capture. -- You will see
> that the DFS Referral Request is at time-offset 5.593750, but there is
> no DFS Referral Response until time offset 26.796875
>
> Has anyone else seen this, or have any good suggestions where to look
> for clues to this problem?
>
> Thanks for your help...
> Tim S.
>
>
>
> 14 0.656250 {SMB:4, TCP:3, IPv4:2} X.X.70.164 X.X.64.133 SMB SMB:R;
> Transact2, Query Path Info - NT Status: System - Error, Code = (599)
> STATUS_PATH_NOT_COVERED
> 17 0.812500 {TCP:3, IPv4:2} X.X.64.133 X.X.70.164 TCP
> TCP:Flags=...A...., SrcPort=2176, DstPort=Microsoft-DS(445),
> PayloadLen=0, Seq=309205136, Ack=2417774680, Win=64041
> 71 5.578125 {TCP:3, IPv4:2} X.X.70.164 X.X.64.133 SMB SMB:R;
> Transact2, Unhandled Transact2 Subcommand; Warning: May not parse
> correctly when Transaction2 request is missing
> 75 5.578125 {SMB:18, TCP:3, IPv4:2} X.X.64.133 X.X.70.164 DFS DFS:Get
> DFS Referral Request, FileName: \gf\shares\Administration\Data\,
> MaxReferralLevel: 4
> 88 5.593750 {SMB:23, TCP:3, IPv4:2} X.X.64.133 X.X.70.164 SMB SMB:C;
> Transact2, Query Path Info, Query File Basic Info, Pattern = \gf
> \shares
> 89 5.593750 {TCP:3, IPv4:2} X.X.70.164 X.X.64.133 TCP
> TCP:Flags=...A...., SrcPort=Microsoft-DS(445), DstPort=2176,
> PayloadLen=0, Seq=2417774976, Ack=309205374, Win=64834
> 90 5.593750 {SMB:23, TCP:3, IPv4:2} X.X.70.164 X.X.64.133 SMB SMB:R;
> Transact2, Query Path Info, Query File Basic Info
> 91 5.593750 {SMB:24, TCP:3, IPv4:2} X.X.64.133 X.X.70.164 SMB SMB:C;
> Transact2, Find First2, Both Directory Info (NT), Pattern = \gf\shares
> \Administration
> 92 5.593750 {SMB:24, TCP:3, IPv4:2} X.X.70.164 X.X.64.133 SMB SMB:R;
> Transact2, Find First2, Both Directory Info (NT)
> 93 5.593750 {SMB:25, TCP:3, IPv4:2} X.X.64.133 X.X.70.164 SMB SMB:C;
> Transact2, Query Path Info, Query File Basic Info, Pattern = \gf\shares
> \Administration
> 94 5.593750 {SMB:25, TCP:3, IPv4:2} X.X.70.164 X.X.64.133 SMB SMB:R;
> Transact2, Query Path Info, Query File Basic Info
> 95 5.593750 {SMB:26, TCP:3, IPv4:2} X.X.64.133 X.X.70.164 SMB SMB:C;
> Transact2, Find First2, Both Directory Info (NT), Pattern = \gf\shares
> \Administration\Data
> 96 5.593750 {SMB:26, TCP:3, IPv4:2} X.X.70.164 X.X.64.133 SMB SMB:R;
> Transact2, Find First2, Both Directory Info (NT)
> 101 5.718750 {TCP:3, IPv4:2} X.X.64.133 X.X.70.164 TCP
> TCP:Flags=...A...., SrcPort=2176, DstPort=Microsoft-DS(445),
> PayloadLen=0, Seq=309205786, Ack=2417775556, Win=64512
> 588 26.796875 {SMB:18, TCP:3, IPv4:2} X.X.70.164 X.X.64.133 DFS
> DFS:Get DFS Referral Response, NumberOfReferrals: 1 VersionNumber: 4
> 593 26.953125 {TCP:3, IPv4:2} X.X.64.133 X.X.70.164 TCP
> TCP:Flags=...A...., SrcPort=2176, DstPort=Microsoft-DS(445),
> PayloadLen=0, Seq=309205786, Ack=2417775852, Win=64216
> 594 27.046875 {TCP:3, IPv4:2} X.X.64.133 X.X.70.164 SMB SMB:C; Nt
> Cancel
> 595 27.046875 {TCP:3, IPv4:2} X.X.70.164 X.X.64.133 SMB SMB:R; Nt
> Transact, Unknown NT Transaction Function - NT Status: System - Error,
> Code = (288) STATUS_CANCELLED
> 596 27.046875 {SMB:108, TCP:3, IPv4:2} X.X.64.133 X.X.70.164 SMB
> SMB:C; Close, FID = 0xC00A
> 597 27.046875 {SMB:108, TCP:3, IPv4:2} X.X.70.164 X.X.64.133 SMB
> SMB:R; Close, FID = 0xC00A
> 599 27.156250 {TCP:3, IPv4:2} X.X.64.133 X.X.70.164 TCP
> TCP:Flags=...A...., SrcPort=2176, DstPort=Microsoft-DS(445),
> PayloadLen=0, Seq=309205871, Ack=2417775930, Win=64138