Do you see the 2016 desktop certification? Are you a Deluxe member (i.e. paid about $349) of the ProAdvisor Program?  If not, then it sounds like you’re a free member of the program which provides access to QB Online — software, training, certification and support.

You need to be a paid member […]

Resolution for 'certification issue: 'Can’t access QB 2015 desktop certification; disappeared from Pro Advisor dashboard. Should be available till Aug 16, 2016, but dashboard only offers exam for QB Online.' available: Yes.

The certification issue or error code is a known issue in Quickbooks Online (QBO) and/or Quickbooks. Support for this issue is available either by self-service or paid support options. Experts are available to resolve your Quickbooks issue to ensure minimal downtime and continue running your business. First try to resolve the certification issue yourself by looking for a resolution described in the article. If it is a complex certification issue or you are unable to solve the issue, you may contact us by clicking here or by using other certification support options.

For more information about resolving issues related to certification in Quickbooks/QBO or to get support for the issue 'Can’t access QB 2015 desktop certification; disappeared from Pro Advisor dashboard. Should be available till Aug 16, 2016, but dashboard only offers exam for QB Online.', click the link below: