ERROR

Could not access any GIS Server machines. Please contact your system administrator

Last Published: March 9, 2023

Error Message

Accessing ArcGIS Server through ArcGIS Web Adaptor located in a perimeter network returns the following error:

Error:   
Could not access any GIS Server machines. Please contact your system administrator.
Image of the error message

Cause

The following are possible causes for this issue:

  • Insufficient hardware resources on the server hosting ArcGIS Server may cause a loss of connectivity.
  • Windows Firewall rules do not allow access for ports 443 and 6443 on the ArcGIS Server machine.
  • Certificate name mismatch - common name (domain name) in the certificate does not match the address in the address bar of the browser.
  • ArcGIS Web Adaptor starts before ArcGIS Server, and is unable to establish a connection to the machine.

Solution or Workaround

The solutions provided are specific to each situation described above.

Article ID:000012620

Software:
  • ArcMap
  • ArcGIS Server

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