Getting this error when you try to install snapdrive?
Please enter valid credentials.
Error: Invalid VirtualCenter or ESX Server IP address / Name, VirtualMachine xxxx is not part of VirtualCenter or ESX server.
Please enter correct VirtualCenter or ESX Server IP Address or Host Name

Is your VM in a vapp? It won’t work until 6.4 is relase. Remove it from the vapp and try again

update: 6.4 released now