VNC session hangs for a few seconds on Red Hat Enterprise Linux 7

Solution Verified - Updated -

Issue

  • VNC session remains unusable for a 10-15 seconds on RHEL 7.
  • GNOME applications freezes for a few seconds in VNC session. No clicks or drag possible. The session appear to be hung.

Environment

  • Red Hat Enterprise Linux 7
  • tigervnc-server-1.8.0-2.el7_4.x86_64
  • gnome-session-3.22.3-4.el7.x86_64
  • quest-openssh-5.2p1q17-1.x86_64

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