Cannot open channel to XSERVER

Last Published: April 25, 2020

Error Message

Attempting to open a canvas window produces this error:

Cannot open channel to XSERVER
WARNING The display device is not defined
Resetting to dumb terminal mode.


The DISPLAY environment variable is set incorrectly.

Solution or Workaround

Set the DISPLAY variable to the local machine's display.

% setenv DISPLAY workstation1:0

Article ID:000001904

  • ArcMap 8 x
  • Legacy Products

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