MDM bug preventing some macOS Big Sur users from installing software updates – 9to5Mac

Some macOS system directors are going through points upgrading to macOS Large Sur 11.1, which was launched to the general public final week. As detailed by ArsTechnica, the bug in query causes the macOS 11.1 replace to vanish from System Preferences.

The issues appears to be that Macs are requesting the macOS Large Sur 11.0.1 replace quite than 11.1:

Developer Victor Vrantchan, of the open supply MicroMDM mission, says he’s discovered the issue. Some Macs are erroneously requesting 11.0.1 as an alternative of 11.1 from Apple’s replace server—which replace is then rejected if the machine in query is already operating 11.0.1 or newer, as most such are.

Upon a restart, the macOS Large Sur 11.1 replace will reappear within the System Preferences software however then disappears once more. The report explains that the issue solely appears to have an effect on Macs related to a Cellular Gadget Administration system. Eradicating the MDM profile makes the replace seen:

Eradicating the MDM profile—for you non-Mac of us and non-sysadmins, that’s Apple’s misleadingly named Cellular Gadget Administration service, which permits training and enterprise orgs to handle and “supervise” fleets of macOS and iOS gadgets—additionally makes the replace seen. That mentioned, mortals shouldn’t do that workaround flippantly; messing with MDM has probably extreme impacts on system safety, and there’s no assure that re-enrolling the Mac in its office will go easily, both.

The problem is additional compounded as a result of Apple is not providing delta and combo macOS updates as standalone downloads, as we reported yesterday.

This concern ought to be capable to be resolved by a server-side repair by Apple. A thread on the Jamf help boards has extra particulars about the issue, plus some further points customers are at the moment going through.

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