To update the certificate for the View Composer server, complete the following steps:

1. Login to the View Composer Server.
2. Stop the VMware View Composer service
3. Open up command prompt as an administrator
4. Navigate to c:\Program Files (x86)\VMware\VMware view Composer
   1. Exclude the (x86) if on a 32-bit machine
5. Execute the following command:
   1. sviconfig -operation=ReplaceCertificate -delete=false
      1. The -delete command will either delete the certificate from windows or leave it.  False leaves it, true deletes it.
6. Start the VMware View Composer service

Additional information on the sviconfig tool can be found here: http://pubs.vmware.com/view-50/index.jsp?topic=/com.vmware.view.upgrade.doc/GUID-C22EAD48-88BA-4DE8-A70F-202A954DF047.html

Original support article can be found here: http://pubs.vmware.com/view-51/index.jsp?topic=%2Fcom.vmware.view.installation.doc%2FGUID-5ED2A8AB-0D5F-495F-B2F7-D7C64C7A021E.html