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How do I tell what version of Citrix is installed on a server? 32-bit or 64-bit?, in the x64 Terminal Server / Citrix forum on BrianMadden.com

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Bravespear Posted: Wed, Sep 3 2008 5:27 PM
I just started a new job recently and need to know which version of Citrix is installed on our servers. I know it is Citrix Presentation Server 4.5 Enterprise, but I don't know if Citrix is 32-bit or 64-bit. The server is running Windows 2003 Enterprise x64 (not R2 version). I thought this would be easy to figure out, but evidently its not.

Please help!
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Jason Conomos replied on Wed, Sep 10 2008 2:35 AM
The easiest way to check would be to check where it is installed to. 32 bit applications are installed by default in the Program Files (x86) directory, where 64 bit apps are just installed under Program Files. That would be the easiest way.
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EmilBeck replied on Wed, Sep 10 2008 4:46 AM
Easy! Citrix Presentation Server 32 bit is not supported on x64 servers and will not install.

Also to check for a 32bit program, you could load task manager and if the e.g. ImaSrv.exe has *32 against it. it is 32bit

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Neil Spellings replied on Thu, Sep 11 2008 1:45 AM
Even the x64 version of XenApp server is still 32-bit, so checking for a 32-bit executable won't help.

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EmilBeck replied on Thu, Sep 11 2008 2:11 AM
Youe right lots of the code in the 64bit version of XenApp is still 32bit, but credit to Citrix they did re-write the IMASvr.exe (v4.5)

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Mike Smith replied on Thu, Sep 11 2008 3:09 PM


I can see how they could get away with some modules of Citrix being 32 bit, but the drivers like wdica.sys would have to be 64 bit.
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Neil Spellings replied on Fri, Sep 12 2008 1:47 AM
[quote=Mike Smith]
I can see how they could get away with some modules of Citrix being 32 bit, but the drivers like wdica.sys would have to be 64 bit.
[/quote]

That's the main difference between the 32 and 64-bit versions - Citrix had to re-write (ie re-compile) the drivers as you can't run 32-bit drivers under x64, but most of the other components (apart from IMA as stated above) remain 32-bit

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Carl Webster replied on Thu, Jan 21 2010 5:49 PM

How to tell if XenApp 5 FP2 64-bit is installed:

1.  Open Task Manager.  The ImaSrv process does not have a “*32” next to it.  That means the ImaSrv process is a 64-bit process.
2.  In the Delivery Services Console, right-click on the server, change display, hotfix displays, hotfix details, you will see the x64 hotfix R05 installed.
3.  Start, run, regedit, expand HKLM\SOFTWARE\Wow6432Node\Citrix.  That node ONLY exists on a 64-bit server and shows that the XenApp installer correctly installed the 32-bit stuff on a 64-bit server OS.  Only the drivers like ImaSrv are 64-bit.
4.  If you attempt to run the 32-bit msp.msi file, you will get a popup saying "This version of Presentation Server is not supported on Microsoft Windows Server 2003 x64 Edition.  Please use Citrix Presentation Server x64 Edition."

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Mark Prigg replied on Fri, Jan 22 2010 6:17 AM

Yep, will use c:\program files (x86) and syswow6432node.

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Andrew Parry replied on Fri, Feb 12 2010 9:21 AM

I can see the syswow6432node and files in the c:\Program File (x86) directory , on my Windows 2008 R1 64 bit server...however the IMASrv.exe process is called IMASrv.exe*32

 

Does this mean I am running the 32 bit version ?

 

Have I done something wrong?

This is with XenApp 5 , I have yet to apply FR 2 to the server ?

 

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Mark Prigg replied on Fri, Feb 12 2010 11:16 AM

Not necessarily  - we're running 64bit servers but our IMA process is ImaSrv.exe*32.

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Jalloh replied on Thu, Oct 28 2010 8:51 AM

Citrix has never been a 64bit application. It is a 32bit application that runs on a 64 bit server platform

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EmilBeck replied on Thu, Oct 28 2010 9:12 AM

The bits that matter are x64, interestingly IMA is still x86 (XA6).

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