Today we’ll go over how to install the vSphere vCenter Root Certificate on your client system.
Certificates are designed to verify the identity of the systems, software, and/or resources we are accessing. If we aren’t able to verify and authenticate what we are accessing, how do we know that the resource we are sending information to, is really who they are?
Installing the vSphere vCenter Root Certificate on your client system, allows you to verify the identity of your VMware vCenter server, VMware ESXi hosts, and other resources, all while getting rid of those pesky certificate errors.
I see too many VMware vSphere administrators simply dismiss the certificate warnings, when instead they (and you) should be installing the Root CA on your system.
Installing the vCenter Server’s Root CA, allows your computer to trust, verify, and validate any certificates issued by the vSphere Root Certification authority running on your vCenter appliance (vCSA). Essentially this translates to the following:
In addition to all of the above, you will start to take advantage of certificate based validation. Your system will verify and validate that when you connect to your vCenter or ESXi hosts, that you are indeed actually connecting to the intended system. When things are working, you won’t be prompted with a notification of certificate errors, whereas if something is wrong, you will be notifying of a possible security event.
To install the vCenter Root CA on your system, perform the following:
Alternatively, you can use a GPO with Active Directory or other workstation management techniques to deploy the Root CAs to multiple systems or all the systems in your domain.
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