Well this is on the same machine and already have the DVR and drivepool setup on the Win11 boot drive which is why I asked about passing through. AMD 5700u with onboard graphics which I'll need to figure out for transcoding.
Have it maxed out at 64GB of RAM no HDDs installed I moved the two 12TB drives to an 8 bay DAS.
If you passthrough an iGPU to a VM -- it's dedicated to that VM. If you do the same with a CT, it can be shared with other CTs and Proxmox itself. You'd need to have multiple GPUs in order to have one available for the Proxmox console.
One approach you might consider is to have your Windows 11 VM as a Samba server using DrivePool, and install Channels DVR directly in a CT (with Chrome not Chromium for best tve compatibility). That way you can get the transcoding you're after, while still sharing the GPU with other CTs and the hypervisor.
Installing Channels in a Debian or Ubuntu CT is basically the same as installing it using either of those on bare metal.
The specs look good for use as a Proxmox system. You'll have 24 vCPUs, 64GB of RAM, and can dedicate one LAN port for administration and the other for virtualizations. I'd suggest one NVMe for your Windows VM, and use the other (4TB if possible) as your Proxmox boot drive.
Problem with the VM and LAN connectivity: VM to LAN shares work as expected. LAN to VM no connection to share or by way of RDP even using tailscale for fails, any ideas would be helpful or I may have to nuke the VM and start over.
Have you checked to be sure your Windows 11 VM Ethernet connection is set to a network type of "Private"? Also, in the Proxmox WebUI, make sure your Windows 11 VM doesn't have a Proxmox firewall enabled -- that's an easy one to miss when you're provisioning a VM or CT:
I just got it working...went into control panel > programs and feature > turn windows features on > enabled .NET framework 3.5. Only because it was enabled on my main Win11 PC and surprisingly that at least got the VM share showing in the network. Was still unable to connect 
So I ened up adding another user on the VM with a local account...had to use a different user name but it works now RDP and shares can be connected to 
I did check Proxmox and VM firewall settings and various other setting buttons etc. most of the day. Just crazy I had internet on VM and VM to LAN share connections just no LAN to VM connections and sometimes the VM share would not even show in the network.
I'm glad you got it working. I find myself wondering if you still have some underlying network setup issue though. With the two network interfaces you have, do you have them setup like this:
Each on its own bridge with only your admin bridge having a CIDR and Gateway assignment? In my case all of my virtualizations are assigned to vmbr1, as that's my 10GbE port. But even with two identical ports, reserving vmbr0 for admin related, and any other interfaces for virtualizations is typical.
Here's what mine looks like.
Also I've setup an LXC for channels-dvr but can't get it to see the Database backups.
To pass network shares to an LXC you should follow this post I did on the Proxmox forum:
The last part regarding mount points (mp0, mp1, mp3) in the LXC, you can do from the WebUI now.
Though the post talks about doing this to make the shares available in Docker running in an LXC, the same applies to the LXC alone.
F me that was so easy and smooth after fighting with it in the wee hours (3:00 AM ish). 
Bit of a side discussion here, but were the hardware specs of the system you were running Proxmox on equivalent to the Mac Mini? Also, I'm an everyday Proxmox user, and I'd suggest Docker is at its very best running in an LXC rather than a VM.
My main Proxmox cluster is running on Intel 12th gen i5-12400 procs. I agree that running as LXC container directly on Proxmox would give very good performance. I did not do that because I have a 3 node hyper-converged cluster using ceph storage. The setup gives me a very reliable and maintainable environment but it costs in performance running a hyper-converged cluster. Ceph is the real killer in performance but it is a fantastic setup for reliability and maintainability. I can live migrate my Portainer and other vm's around to take down a node for maintenance without my wife even noticing 
If running a single Proxmox server then LXC containers are very efficient to work with.
Edit: I apologize for hijacking this thread on more extraneous topics.
I moved our posts over to this more appropriate thread. 
I will add that I have not even attempted to run LXC containers on my hyper-converged proxmox setup. Mainly because I do not want to break something in the cluster and get everyone in the family breathing down my neck to FIX IT NOW! If I only had another hyper-converged cluster to test with but my lab is already ridiculous in my wife's opinion!
It's amazing what you can do with an LXC -- there are only a few situations where I've had to use a VM.
Are you using a Proxmox Backup Server? I'm a big fan of that too, and so far when I want move a container from one Proxmox server to another, I'll just back it up from one and restore it to the other. Not as cool as a cluster, but it works for my needs.
I am also a strong proponent for using Promox Backup server for any Proxmox environment. I have 4 sites tied together with a private wireguard VPN with fully routable 10.x.x.x network and replicated internal DNS servers. All sites run Promox VE and Proxmox Backup server. After nightly backups are completed I cross site sync the backups between Proxmox Backup servers so that I always have an offsite backup available. Each site has 1 alternate backup site. All of this automated so easily with PBS.
Edit: I also use PVE snapshots. My nightly automated jobs that do any updates/changes all run between 1am-5am so I take snapshots of all vm's before at midnight and after at 6am. They are kept for 7 days which gives me a quick way to roll back to before or after any maintenance window. I subscribe to big time CYA!
The PCWorld shop currently has Windows 11 Pro Activation Codes on sale for ~$13 -- this is about the cheapest I've seen from a reputable source. Perfect for those Windows 11 VMs in Proxmox! Be sure to save the code together with the UUID generated for the VM. This way you can migrate it to another VM in the future, if you don't keep the VM you originally used it on:
Just purchased, and successfully activated, one a few minutes ago.
Did you see the big change they made in Proxmox 9? Looks like AppArmor 4.1 might block the use of some components of Intel's QSV.
The article says transcoding still works fine. Its just one intel_gpu_top monitoring tool that no longer works inside containers.
I've spent some time recently setting up the Pulse Dashboard for Proxmox and Docker -- and so far, I'd give it two thumbs-up. The installation is well done, and particularly in the case of Proxmox, is non-invasive. It sets up a user and a token, with limited roles, to get the data it needs. Nothing is installed!
For Docker, the installation is also well done, however a small binary "agent" is installed along with a service to start it on boot. Pretty minor, but not zero-footprint like the Proxmox setup.
They're both great though, showing some nice metrics, along with hyperlinks for any WebUIs. There are also details by Proxmox node for storage and backups:
I haven't rolled this out to all my Proxmox or Docker instances yet, but this seems like an excellent tool -- especially for those of using these two outstanding virtualization technologies. I've even had success embedding the Pulse Dashboard in an iFrame on the Homepage Dashboard I've been working on!
