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XenApp sessions are briefly disconnected when subsequent users access the NetScaler URL / login page


Clint Sigler

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I've got a weird issue.  NetScaler 11.1 in front of XenApp 7.9.    User A connects externally thru NetScaler and launches a XenApp desktop.   Session runs smooth and fine.   While User A is busy working away, if User B (in a totally separate location, on a totally separate PC) simply accesses the external website/URL of the NetScaler, then User A's session gets briefly disconnected.   Receiver goes white, popup reconnect timer shows up... and then sometimes it reconnects on its own, sometimes it does not.   User B hasn't even logged in or authenticated at this point.   The act of simply accessing the website causes sessions to get briefly disconnected.

 

User B simply accessing the NetScaler website/login page should not cause other users' sessions to disconnect.   Any ideas of where to look???

 

NetScaler 11.1  48.10.n.c

XenApp 7.9

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19 minutes ago, Carl Stalhood1709151912 said:

The first thing I would do is upgrade NetScaler firmware. Then you can troubleshoot - https://www.citrix.com/downloads/citrix-adc/firmware/release-111-build-617.html

 

Also see https://support.citrix.com/article/CTX232321

 

Thanks Carl.    Surprisingly, Citrix hasn't recommended this on my support ticket yet, but that's next up on my own list if I don't hear anything meaningful from them this week.  I was hoping if it were due to a simple configuration error that my post might catch someone's eye who's seen it before.

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On 3/20/2019 at 11:40 AM, Carl Stalhood1709151912 said:

The first thing I would do is upgrade NetScaler firmware. Then you can troubleshoot - https://www.citrix.com/downloads/citrix-adc/firmware/release-111-build-617.html

 

Also see https://support.citrix.com/article/CTX232321

 

Disabling AppFlow resolves the issue.  Must be some sort of bug between the AppFlow configuration in place and the version of firmware running.   I will leave it disabled for now.

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