Remove Proxmox Subscription Notice

Copy and paste following command to the terminal

(6.1 and up)

sed -i.backup "s/data.status !== 'Active'/false/g" /usr/share/javascript/proxmox-widget-toolkit/proxmoxlib.js && systemctl restart pveproxy.service

(6.2-11 and up)

sed -i.backup -z "s/res === null || res === undefined || \!res || res\n\t\t\t.false/false/g" /usr/share/javascript/proxmox-widget-toolkit/proxmoxlib.js && systemctl restart pveproxy.service

(6.2-12 and up)

sed -i.backup -z "s/res === null || res === undefined || \!res || res\n\t\t\t.data.status \!== 'Active'/false/g" /usr/share/javascript/proxmox-widget-toolkit/proxmoxlib.js && systemctl restart pveproxy.service

Log out clear the browser cache or restart the browser then login again.

There will be no pop up window

Src: 

https://dannyda.com/2020/05/17/how-to-remove-you-do-not-have-a-valid-subscription-for-this-server-from-proxmox-virtual-environment-6-1-2-proxmox-ve-6-1-2-pve-6-1-2/?__cf_chl_captcha_tk__=e77a927aa5a6fbab9c09a60bbca70d7046e78df8-1604234718-0-AfJ0zmocLuwst-c8MY58Aq9Y7C9fRIpqojcPFZc9HEPDcu-FpNj8zmokT7v_BA0yCAMZdhwgBy5oTI6e0rU7VudOo1X6MsIUPyZLUIcNM2jVRNe3lk9Pq0WTgXbGh0BacB7WBmaEMKd2f2kW9LgmU3l6bREhvdWDgyxaAvWkYauyu5wSwY1KP6Qp2_hNT-yNw5xRBKI8XCmUZmjF5KO1gUCdZLYC6LSzBn-_vx4r742thPIY6VX4JdvQfSlEr5FTdMEWeIc5huJw8rQsHpf-W4Y57SmwVIsZdvUadOZQGI2UFr0MnWcbn3ls_yIGQJ-LCUBw5iTg21hZ_LctEvavNMEXmk0jL9BtZnOkNuJgkAFRaMURIXg70v3lygFgNSIysV3uhZgdwljITfbfnvlzz3rlsbxd2i9aFx9U9Xwdc6GnwwM2UX5zsFRoozDJqQclb8HSaNXVc_mXSw0lBUbRGzVV0tQaox14g-kZyKNUxe_a9HILP6fDZusBqoraY1y1KwLDqaAlQozpoaA0_ls5KAAoOXFScDz3aEKO6AE2cJ4DRlO6dzF8Opzk_HlhIdteIWrevs5kBNJBmFQC8wddvy545-V4Qeqco0eQF7aMU0xkr1nCAreF5kiXZFZ-6vzglPESJiuQ-7r80loDVydI7xPH_6Rurqfw7FSm6NPDOXmA

Remove Proxmox Subscription Notice (Tested to 8.1)