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Error: "An Error Occurred Trying to Download 'https://$hostname/p6professionalcloud/x64/P6Professional.application'" When Attempting to Install P6 Professional Using ClickOnce (Doc ID 2169102.1)

Last updated on AUGUST 15, 2016

Applies to:

Primavera P6 Enterprise Project Portfolio Management - Version and later
Primavera P6 Enterprise Project Portfolio Management Cloud Service - Version and later
Information in this document applies to any platform.


When attempting to install P6 Professional, using ClickOnce, the following error occurs:


"An error occurred trying to download 'https://$hostname/p6professionalcloud/x64/P6Professional.application'."



  1. Connect to the Click Once installation landing page (Example:  https://$hostname/p6professionalcloud/en/publishP6.html)
  2. Launch the Click Once installation from the landing page
  3. Note the reported error which occurs during installation


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