[THIN] Re: Disconnections

Also if David is running PS 4.5 there is a known bug with sessions 
disconnecting / reconnecting.
I had a call open with Citrix and got a private which then turned into
http://support.citrix.com/article/CTX113561 and then became a post Rollup 1 fix 
http://support.citrix.com/article/CTX114104

There was also a Force Ping enhancement introduced in Rollup 1 

  ----- Original Message ----- 
  From: M 
  To: thin@xxxxxxxxxxxxx 
  Sent: Friday, October 26, 2007 2:30 AM
  Subject: [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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