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vCSA 5.5U2 – Authenticity of the host’s SSL certificate is not verified


After completing the upgrade vCSA 5.5 to the latest version in my Home Lab, when trying to deploy a new machine from template, I met with the following error:


This issue only affects vCSA, there is no solution for the moment, the workaround is described in this KB. The error only occurs when you have vCSA 5.5U2 and replace SSL certificate on the ESXi host to a new one. It does not help reconnect host on vCenter. To get rid of this message, we must stop the vCenter, log in as the root user on the vCenter appliance and run the following commands:


After running vCenter everything returns to normal.

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Author: Piotr Pisz

Computer always, since I got a Commodore 64 at the end of primary school, through his beloved Amiga and Linux infinite number of consoles, until today, fully virtual day. Since 2001, Unix/Linux Systems Administrator, for seven years a faithful companion and protector of Solaris system, until his sad end. In the year 2011 came in the depths of virtualization, then smoothly ascended into the clouds and continues there today. Professionally working as Systems Architect in the Polish Security Printing Works.

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