Importing OVA into VCSA 6.5 fails – The operation failed for an unknown reason

I’ve experienced a problem while importing an OVA into VCSA 6.5. The error that I’ve got is the one bellow. As you can see it says that the problem occurs due to certificates that the browser does not trust. If you are checking the certificate in the web browser, you will see a certificate warning. The solution found is actually quite simple. You have to download the VMCA root certificates

How to Reset the vCenter Server Appliance Administrator password

Use this procedure to reset the vCenter Server Appliance Administrator (administrator@vsphere.local) password. You will need the vCenter Server Appliance root user credentials. Step one – connect to vCenter Server Appliance Using putty or an OS with ssh support, connect through SSH to the vCenter Server Appliance console with the root user credentials Step two – Start service tool For vCenter 5.x, run the following command: /usr/lib/vmware-vmdir/bin/vdcadmintool For vCenter 6.0 and