Performance issues on NetScaler Gateway when AppFlow is enabled.

To resolve this issue upgrade to NetScaler 11 Build 63.16 or turnoff AppFlow feature by navigating to System > Settings > Configure Advanced Features > uncheck AppFlow.

Problem Cause

This is a bug.
Poor performance or latency is observed while accessing published applications over plain ICA port 1494 when AppFlow is enabled. This issue is not observed on ICA over CGP port 2598.
[# 591437, 586981, 591338, 591696]