XenApp sessions disconnecting briefly whenever users access external NetScaler URL

[Clint Sigler]

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

 

[Clint Sigler]

So it turns out to be some sort of bug with AppFlow.   I disable AppFlow and the behavior goes away.  Enabling it again reintroduces the behavior.  Suspect it's a bug in the older version of NetScaler firmware running.  Will leave disabled for now.

[BART JACOBS1709152229]

How is the Netscaler connected network-wise? Is there some kind of firewall and/or loadbalancer in front?

[Salim Hurjuk]

Are you facing the same issue in internal network with the same user's?