[Samba] Again, Windows 7 access to Samba server: Strange performance/delay problems while opening share

Ricky Nance ricky.nance at gmail.com
Tue Jun 18 08:28:53 MDT 2013

Hi Ralf, please have a look at


On Tue, Jun 18, 2013 at 3:42 AM, Ralf <lists.samba.org at rb.7bg.de> wrote:

> Hello list,
> when i wrote my first mail with this content, I received only the lists
> digest. To be able to answer, I switched this, to single message mode.
> So, here again.
> I have strange performance issue with an single Windows 7 client in a
> simple network setup with one samba server, and various windows clients
> (Win XP, Windows 7).
> All clients can open shares with explorer, without any delay (the share
> contents are listed directly).
> But one client, a lenovo Windows 7 Laptop has strange problems opening
> these same shares. The time from opening a share, until the share is
> listed, varies betwenn (seldom) direct response, and in most cases
> delays between 3 and 20 seconds, in seldom extrem cases 1-2 minutes.
> It is does not depend on the switch port. The problem also appears
> while being connected with other switch ports, different ethernet
> cables or on a WLAN/WIFI connection.
> Because this is the only Windows 7 client with this kind of problems, i
> reinstalled the machine from scratch (with the lenovo version of windows
> 7 from the hidden partition), hoping this problem was caused by any kind
> of windows weiredness (the windows 7 installation was one or two years
> old).
> The only change was, there were no more delays in listing shares, longer
> than 20 seconds, so the core problem still exists.
> What possibilities do I have, to solve this problem?
> My next step was, to capture the network traffic this client does, while
> opening an specific share. I captured also the traffic caused by two
> other windows 7 clients, which do not have any delay issues while
> opening the same share. My knowledge about samba network packages is far
> to low, to be able to find the problem.
> In my desparation now, I joined this list, hoping there is anybody, who
> can give me a hint to the right direction, to solve this problem.
> Is here anybody who can "read" this traffic dumps, and may be see whet
> this clients problem is?
> I could also post thes three traffic  dumps, they are small (about 15k
> each).
> Who can i contact, to help me solving this problem?
> Thanks,
> Ralf
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