On the proxmox server
edit /etc/pve/user.cfg
user:root@pam:1:0:::jim@domain.com::x:
remove the x between the last two colons
Proxmox 6 is similar.
On the proxmox server
edit /etc/pve/user.cfg
user:root@pam:1:0:::jim@domain.com::x:
remove the x between the last two colons
Proxmox 6 is similar.