Tuning Gnome to exceed 100 active sessions

Solution Verified - Updated -

Issue

  • How to increase the maximum number of active gnome-session.
  • There is a limit of 70 to 80 XDMCP graphical sessions and no additional users can login.
  • On RHEL7, I am hitting a limit of 18 parallel xdmcp sessions.

Environment

  • Red Hat Enterprise Linux 6 and 7
  • GNOME Graphical Environment
  • gdm

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