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Error: "Gateway Timeout - The Proxy Server Did Not Receive A Timely Response From The Upstream Server" When Attempting To Launch P6 or Unifier Within A Browser (Doc ID 2302929.1)

Last updated on SEPTEMBER 18, 2019

Applies to:

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


When attempting connection to P6 or Unifier within a browser, the following error occurs:

Gateway Timeout
The proxy server did not receive a timely response from the upstream server


The issue can be reproduced at will with the following steps:

  1. Log into the Primavera Cloud Portal
  2. Click on the P6 or Unifier icon.
  3. See the spinning wheel then eventually a Gateway Timeout and above error.

Note, this can also occur simply loading the URL for P6 or Unifier.




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