Why noVNC is not working with Firefox 38 and later in RHEV environment

Solution Verified - Updated -


  • noVNC and Spice HTML 5 is not working in the latest version of Firefox in RHEV environment.
  • The javascript console of the browser gives the below error
The certificate will not be valid until 20.10.2015 13:59. The current time is 21.10.2015 14:01.
(Error code: sec_error_invalid_time)


  • Red Hat Enterprise Virtualization 3.x.
  • Firefox 38 and later.

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