http://www.archy.net

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Citrix XenApp – Hiding system drives part 2/2

Category : Citrix, Microsoft, Presentation Server 4, Presentation Server 4.5, Windows 2003, Windows 2008, Windows 2008 R2, XenApp 5, XenApp 6

This is the second part, here is the link to the first part : Citrix XenApp – Hiding system drives part 1/2

If you read the first part, now you know how to apply the Microsoft Windows 2003/2008/R2 GPO to hide A,B,C or/and D drives. But what’s happening if you have a E: drive or O: ? You cannot use this GPO anymore, you need to create your own. This is simple to understand how it works, just read what’s follow.

By default the Hide Drives part in the system.adm file look like this :

POLICY !!NoDrives
   EXPLAIN !!NoDrives_Help
      PART !!NoDrivesDropdown          DROPDOWNLIST NOSORT REQUIRED
         VALUENAME "NoDrives"
          ITEMLIST
                NAME !!ABOnly           VALUE NUMERIC 3
                NAME !!COnly            VALUE NUMERIC 4
                NAME !!DOnly            VALUE NUMERIC 8
                NAME !!ABConly          VALUE NUMERIC 7
                NAME !!ABCDOnly         VALUE NUMERIC 15
                NAME !!ALLDrives        VALUE NUMERIC 67108863
                ;low 26 bits on (1 bit per drive)
                NAME !!RestNoDrives     VALUE NUMERIC 0 (Default)
          END ITEMLIST
     END PART
   END POLICY
 
[strings]
ABCDOnly="Restrict A, B, C and D drives only"
ABConly="Restrict A, B and C drives only"
ABOnly="Restrict A and B drives only"
ALLDrives="Restrict all drives"
COnly="Restrict C drive only"
DOnly="Restrict D drive only"
RestNoDrives="Do not restrict drives"

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Citrix XenApp – Hiding system drives part 1/2

Category : Citrix, Presentation Server 4, Presentation Server 4.5, Windows 2003, Windows 2008, Windows 2008 R2, XenApp 5, XenApp 6

Hiding system drives C, D, floppy if there is still one and CDRom seems to be easy but I saw many many time at some customer’s place administrator unable to complete this simple operation. The reason is in most of the case, the administrator doesn’t really know how to manage GPO and what is difference between user and machine GPOs.

First you need to know there is a built-in GPO in Microsoft Windows 2003 / 2008 / R2 with these settings ready to be set.

To set it up, you need to create a new GPO or edit an existing one and find these two GPO bellow as follow :


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Citrix Edgesight 5.2 SP1 : Could not create the Java Virtual Machine.

Category : Citrix, EdgeSight, Microsoft, Presentation Server 4, Windows 2003, Windows 2008

This issue appear on my Presentation Server 4 HR5, 32bit only, x64 servers (Windows 2003 & 2008) were fine after deploying Citrix Edgesight Agent for XenApp 5.2 SP1. (build 5.2.3012.0)

Impacted applications :

All java applications using more than 706mb of reserved memory, command line example :

 c:\Progra~1\Java\jre1.5.0_07\bin\javaw -Xms8m -Xmx1024m -Dcai.starter.jvm.options=”-Xms8m -Xmx1024m” -classpath d:\xxxxxxxxxxxxx

Visual Studio 2008 Pro SP1 x64 crashes when Citrix Edgesight 5.2SP1 is installed, process CL.exe.

Reminder :

-Xmsn
Specify the initial size, in bytes, of the memory allocation pool. This value must be a multiple of 1024 greater than 1MB. Append the letter k or K to indicate kilobytes, or m or M to indicate megabytes. The default value is 2MB.      

-Xmxn
Specify the maximum size, in bytes, of the memory allocation pool. This value must a multiple of 1024 greater than 2MB. Append the letter k or K to indicate kilobytes, or m or M to indicate megabytes. The default value is 64MB. 

Affected system : Microsoft Windows 2003 R2 Sp2 x32 with Citrix Presentation Server 4 HR5


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Citrix XenApp tuning tips

Category : ArchY.net Site, Citrix, Presentation Server 4, Presentation Server 4.5, Windows 2008 R2, XenApp 5, XenApp 6

There are many post around to tune Citrix XenApp in many ways and there are even more to tune Microsoft Windows 2008 R2.

I want to begin a new document as we had with Citrix Metaframe 1.8 tuning tips on Microsoft Windows NT4 TSE. This was a great document and very helpfull in many way.

If you have any ideas, agree on what I will write or disagree, I take everything to form a big document available online for everyone.

First I would like to know if we should create a wiki-like to let everyone working on the document and add/change at will, what do you think ?

Which is the best way to realize Citrix XenApp tuning tips

  • A wiki where everyone can add/change (69%, 9 Votes)
  • A thread on the forum (31%, 4 Votes)
  • By email (0%, 0 Votes)
  • Another (0%, 0 Votes)

Total Voters: 13

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If you choose other please add a comment bellow !

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How to debug Java website publish application

Category : Presentation Server 4, Presentation Server 4.5, Windows 2003, Windows 2008, Windows 2008 R2, Windows 7, Windows XP, XenApp 5, XenApp 6

These last days I had to find out what was wrong with an extranet publish through XenApp. This extranet is using java and the issue users reported was random disconnection with a java popup. Find out what is wrong with extranet application is very hard because this is just a published browser with an URL pointing to a website in another company, everything works well until one day… My goal was to bring as much information and details as possible to the extranet’s support team and I needed to use the java console and grab the most verbose log possible.

First you need to publish the Java Control Panel,


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Citrix XenApp / ICA / Online Plug-in Client version numbers.

Category : Citrix, Microsoft, Presentation Server 4, Presentation Server 4.5, Provisioning Server 5, Receiver, Windows 2003, Windows 2008, Windows 7, Windows Mobile 6.5, Windows XP, XenApp 5, XenApp Plugin

This information can be very useful, because as you might know, there are build numbers and version numbers, and it become a mess very fast when you try to list all ICA client version connecting your Citrix Presentation / XenApp servers.

4.00.581
4.00.686
4.20.715
4.20.727
4.20.741
4.21.779
6.00.910
6.01.963
6.01.964
6.01.967
6.20.985


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ERROR: The MetaFrame servers reported that the alternate address cannot be found.

Category : Citrix, Microsoft, Presentation Server 4, Windows 2003

This is the second time I have this issue, when clicking on a publish application on the Citrix WebInterface I get this weir message : ERROR: The MetaFrame servers reported that the alternate address cannot be found. I mean weird because I’m on a LAN and I don’t cross any subnet or different VLAN and there is no alernate address configured on these servers.

Error Message at the bottom of my WI :
 snap00713

It looks like the LHC (Local Host Cache) doesn’t contain valid informations. And the only way to be sure about that one is to simply recreate the Local Host Cache.

So login on the computer and do as follow :

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Citrix XenApp Power and Capacity Management

Category : Citrix, Green Computing, Presentation Server 4, Presentation Server 4.5, XenApp 5

Here we go, Green Computing is coming ! Now Citrix give us the ability to switch off XenApp servers and switch it on only when the load on the power on server reach a limit. This is very very smart and I think this Power and Capacity Management for XenApp will be a success.

snap00039

 

You can watch bellow the video filmed during the Synergy 2009 in Las Vegas :

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JTDC#1 Journée technique Doctor-Citrix.com

Category : Presentation Server 4, Presentation Server 4.5, Provisioning Server 5, XenApp 5, XenApp Plugin, XenDesktop 3, XenServer 5

Bonjour,

Nous sommes heureux de vous inviter le 13 Juin 2009 à la première JTDC (Journée Technique Doctor-Citrix). Cette journée se veut entre un Pubforum et un KTE Citrix, Autant dire que se sera une journée très IT, pour les IT par des IT.

Les inscriptions sont libre, gratuite et non réservé au membres du forum, il vous suffit de remplir ce formulaire. Cette rencontre se passera en région parisienne, pour le moment la ville de Noisy le grand (siège de la soc Chavers) est retenu. Le nombre de place de cette salle étant limité à 25 personnes, il est possible que ce lieu change (Paris & Petite couronne). C’est pourquoi l’emplacement exacte ne sera donnée qu’a la fin des inscriptions le 23 Mai. Le cocktail(1) sera simple: 50% de XA(2), 20% de XS(2) et 10% de XD(2).

Menu(3):

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Cannot connect to the Citrix XenApp Server

Category : Citrix, Presentation Server 4, Presentation Server 4.5, XenApp 5

This error “Cannot connect to the Citrix XenApp Server” happen from time to time, this is a message from the XenApp plugin (ICA Client). Today I had this one because we have move some servers and they had to change their IP address. The IT server team told me everything was done I should be able to put this machine back in production, all changes have been done and everything is working well.

BUT, when I enable these servers, this windows appear for all the users who try to launch a publish application :

snap00270

This message means the Citrix XenApp server cannot be reach with the address return by the datacollector. So i have assume the server team did the change on the network configuration of the servers but didn’t reboot it…

To be fast, I make the choice to just restart the IMA service, it did the trick.