With the release of vCenter 5.1 adding additional certificates into the environment to make communication between components more secure, the process of updating these certificates with customers’ own signed certificates has been a challenge.
We are pleased to announce the general availability of vCenter Certificate Automation Tool 1.0. This tool provides an automated mechanism to replace certificates in the following components of the vCenter Server 5.1 management platform:
The tool is available now and can be downloaded for free from the VMware download website
--> please see the rest on the blog : http://blogs.vmware.com/vsphere/2013/04/vcenter-certificate-automation-tool-now-available.html