Why xterm returns "Maximum number of clients reached"?

Solution Verified - Updated -

Issue

  • Getting below errors after opening many X clients on the system

    Maximum number of clients reachedxterm Xt error: Can't open display:0.0 
    
    Xlib: connection to ":0.0" refused by server Xlib: Maximum number of clients reached Error: Can't open display: :0.0
    

Environment

  • Red Hat Enterprise Linux 6
  • Red Hat Enterprise Linux 5
  • xorg-x11-server-Xorg

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