If you have FileVault 2 enabled, click the Recovery Assistant menu and then select “Erase Mac”. We recommend upgrading to the latest version of macOS. Recently, Apple announced their new macOS lineup i.UPDATE 01/02/21 – This article is only for Apple Silicon M1 Macs.And disabling SIP (in Recovery mode again) Code: Select all Expand view Collapse view csrutil disable is not sufficient for allowing that, there remains the I also own a AppleTV with a tool called Infuse. 0) Support KB44592 - Pulse Desktop Client for macOS Open Issues on Big Sur KB40503 - Connectivity to any resource fails when Pulse Secure Desktop client is installed and Lock Down Mode is enabled. MacOS – Does the SIP still protect against other operating systems big sur macos sip System Integrity Protection from Apple protects very important parts of the system and is, in my opinion, the main reason a Mac is so secure. Restart your Mac and SIP should be back in business. The password for the user being enabled then has to be entered. Big Sur brings new abilities to the Mac, including a redesigned user interface, a. Open System Preferences from your Mac's dock or Applications folder. In the Finder, both volumes appear as Macintosh HD. Operation not permitted macos big sur operation not permitted macos big sur This is made bootable then you have the tool to do re-installs etc.