Your vSphere Client Session Is No Longer Authenticated

KB ID 0001711


I updated my vCenter to yesterday, and since then every time I tried to login to the HTML5 web client, it authenticated, let me in, showed me the error (below), then kicked me out again?

vSphere HTML5 Timeout Error


I assumed, (wrongly) that the upgrade had overwritten the file that controls timeouts. this may be you problem, see the following article If my ‘fix’ does not work for you.

vSphere HTML5 Web Client – Disable the Console Timeout

In the end my fix was quick and simple, go to add/remove programs and locate the vSphere Enhanced Authentication Plugin (in my case version 6.5.0) and uninstall it.

vSphere Enhanced integration plugin

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Author: PeteLong

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