[THIN] Re: Disconnections

2589 ? 
  ----- Original Message ----- 
  From: Rick Mack 
  To: thin@xxxxxxxxxxxxx 
  Sent: Friday, October 26, 2007 2:04 AM
  Subject: [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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