[Samba] Domain login delays w2k8 R2

[Jeremy Allison]

On Tue, Feb 02, 2010 at 07:03:11PM +0100, Åke Holmlund wrote:
> Hello!
>
> We have a w2k8 R2 64-bit machine in a Samba 3.4.4 controlled domain.
> When logging in as a domain user there is a ~30 sec delay waiting
> for the User Profile Service. This has nothing to do with the size
> of the user profile. Looking at the network traffic I can see 2
> gaps, the first about 11 sek and the second about 19 sek with
> no packets sent except one TCP ACK (from the client) in each gap.
>
> Between the gaps there is only a few packets sent. According
> to WireShark it's a "Tree Disconnect Request" with response and
> a "Logoff AndX Request" with response.
>
> Any idea what may be causing this?

Gaps like that are almost always DNS lookups of some kind :-).

Are you looking for those, or just CIFS traffic ?

Jeremy.