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Mac Thread, Citrix Client not working in Technical; We have a XenApp Citrix system to allow staff to login from home. This works fine with all Windows PCs ...
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    Citrix Client not working

    We have a XenApp Citrix system to allow staff to login from home. This works fine with all Windows PCs but recently we have noticed no Mac (Imac or Macbook) will work.

    They can login and get the applications list, but running any of the Apps always comes up with the error:

    Code:
    SSL Error 4: Proxy Connection Failed: The configured proxy server does not answer
    Error number 183
    Annoyingly, Citrix don't even seem to have any knowledge of this error, despite it having a number! If there was a configuration error then the Windows machines wouldn't work.

    I seem to remember the Macs worked originally, so I'm not sure whats changed! And the proxy error is odd as these are home computers with no Proxy! The error only affects Macs and is on 10.6.2 and 10.6.5 (that I've found so far)

    Any ideas on this one before I really go off Macs!

    Edit: Tested on Ubuntu and all working fine there too! Obviously Citrix Client and Macs no longer work for some obscure reason!
    Last edited by GoldenWonder; 9th March 2011 at 08:45 PM.

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    Carter's Avatar
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    I have no issues with 10.6.6 connecting to our Citrix environment. Do you get the smal file downloaded that it gives you when you go to launch an application?

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    We don't seem to get to that stage. The 'Launching' part appears and then hangs at approx 50% on the progress bar. After about 30 seconds or so the error appears.

    I've tested this on several Macs and a couple of different test sites - all fail the same way. PCs and Linux boxes work fine on both test sites?

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    what web browser are you using?

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    Does the same thing in Safari and Firefox - latest version of FF as well. In Windows it works with IE and FF, and Ubuntu works with FF

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    how is the system setup? What type of proxy do you have?

    I assume you can do general web browsing?

    Are the Citrix servers internal?

    Have you tried adding the citrix URL as a proxy exception?

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    The proxy isn't relevant in this case as its external Macbooks accessing our internal Citrix server - i.e there is no proxy at the user end. The users can login and see the applications list correctly (and browsing is fine)

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    are you using Citrix Secure Gateway?

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    Our system uses a Citrix Access gateway.

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    Quote Originally Posted by GoldenWonder View Post
    Our system uses a Citrix Access gateway.
    sorry, yes - thats what I meant.
    Check the eventlog on the access server.

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    Checking the CAG logs doesn't seem to show anything different for the failed sessions than the sucessful sessions. Nothing obvious anyway. Sessions where the apps have started OK (from a windows PC for example) are showing the same message pattern as the failed Mac sessions.

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    Quote Originally Posted by GoldenWonder View Post
    Checking the CAG logs doesn't seem to show anything different for the failed sessions than the sucessful sessions. Nothing obvious anyway. Sessions where the apps have started OK (from a windows PC for example) are showing the same message pattern as the failed Mac sessions.
    Strange. It isn't as simple as the Mac not accepting the SSL certificate is it? can you get to https://website in the first place?

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    Yeah we can get to the site, and login successfully! Just not run any apps

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    I'm no Citrix expert but I had exactly the same error this morning with a external person who comes in frequently and uses a Citrix app. I resolved it by changing the ProxyFQDN line from Off to On in the small .ica file that gets downloaded and it worked ok after that.

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    I'm wondering whether I need to create a customised .ica file then? Is that possible, to link to this site and make sure no proxy is used.

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