[THIN] Re: Disconnections

Hi David,

Unless your comms people know about Citrix session reliability (ICA on port
2589) and have configured QOS etc to accomodate ICA on port 2589 instead of
the "known" port 1494, having session reliability enabled in your farm can
lead to a number of communications problems.

If the server hasn't detected that the session is disconnected, it won't
allow any additional connection by that user.  So there are also a couple of
other things that need doing.

The default setting for your servers is to allow only one user session. You
can change this using the terminal server configuration manager utility
(start > run > tscc.msc) under server properties.

The Citrix farm has a property called the ICA keepalive timer. If the ICA
keepalive is enabled, this defines the interval at which the server checks
to see if the client is still reponding. Once the keepalive fails, the
session is tagged as being disconnected, and users will be reconnected to
the sessions they lost. The keepalive timer interval has to be short enough
that the session failure is detected (and the session disconnected) before
the user tries to reconnect or the connection will fail, as you're finding.

regards,

Rick

-- 
Ulrich Mack
www.commander.com

On 10/25/07, David <dmauri@xxxxxxxxx> wrote:

> Hi list,
>
> we've just installed a new farm, new servers as well.
> Ps 4.5, 2003 MUI R2
> also, we set up one web interface to connect to.
>
> for some reason, we are having some disconnections randomly, and after
> this occurs user cannot reconnect because the server doesn't accept more
> than instance.
> We are a bit confused about this because we have no disconnections
> either a published app. or ICA/RDP protocols or user session in AD.
>
> Anybody could point me in the correct way?
>
> Thanks.
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