Wednesday, December 16, 2015

Attempting to connect to a Citrix XenDesktop 7 store secured with internal CA throws the error: “CA certificate required to connect to this server is not installed or found…”

Problem

You’re in the process of configuring a new HP t410 Smart Zero Client with a XenDesktop 7.x infrastructure.  You proceed to configure the zero client to connect to StoreFront 3.0.1 but quickly notice the following error message:

Certificate error

CA certificate required to connect to this server is not installed or found. Please use Certificate Manager to add the CA certificate or contact your system administrator.










Solution

The reason why this error is thrown is because the certificate presented by the StoreFront to secure the traffic between itself and the zero client is issued by an internal Microsoft CA which the zero client does not trust.  To correct this issue, simply export the root certificate as Base-64 encoded X.509 (.CER) format:
















Then navigate into the Certificate Manager of the zero client and import it into the Local Root Certification Authorities:










You should now be able to log into the site without receiving the certificate error message.

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