Thank you! GRUB repair did the trick for me.
I did the following steps from the wiki:
0, Use Proxmox installation ISO and select debug mode.
1. Create the mountpoint:
mkdir /media/RESCUE
2. Enable the volume-group and all LVs within:
vgscan...
You mean run into sysprep in the clone, like in the initial installation? Yes ist works. Press ctrl+shift+f3 at OOBE, like you did installing from DVD.
In past Windows versions, there was a limit of sysprep runs in one installation. Starting with...
I've used sysprep with Windows 10/11 and Server 2016 to 2022 on Proxmox without problems
Did you add the driver in early setup as described in the wiki?
How did you start sysprep? At OOBE with ctrl+shift+f3
Take al look at the documentation https://pmg.proxmox.com/pmg-docs/pmg-admin-guide.html#pmgconfig_template_engine
mkdir /etc/pmg/templates
cp /var/lib/pmg/templates/main.cf.in /etc/pmg/templates/
edith /etc/pmg/templates/main.cf and deploy the...