Remove nag screen re: subscription: https://blog.briantruscott.com/how-to-remove-subscription-notification-from-proxmox-ve-5/
comment out the subscription repository. implement the ‘no-subscription’ repo instead.
guest vlan number works as expected.
To allow vm screen to be any resolution set the display properties in the vm settings to: https://www.google.com/url?sa=i&rct=j&q=&esrc=s&source=images&cd=&ved=2ahUKEwjh5ZL8qJfmAhXLxYUKHcriC0YQjRx6BAgBEAQ&url=https%3A%2F%2Fpve.proxmox.com%2Fpve-docs%2Fpve-admin-guide.html&psig=AOvVaw2KNdlUnJ0XdafS2NLDLr7W&ust=1575388316614606