Error blocking System update: Installer can't verify OS version

psilunary wrote:

While installing MacOS 12.1 the installer declares - "Can't verify MacOS version".

I am on

MacBook Pro (16-inch 2019)

Processor" 2.3 GHz 8-Core Intel Core i9

Memory: 16 GB 2667 MHz DDR4

macOS Big Sur

Version 11.6.2

I am using the System Preferences selected from he Apple menu, selecting Update.

I have restarted the Mac the begun a second time, same error.

Hmmm... if this is a business issued machine bound to Enterprise contact your IT/ admin for restrictions.

Personal machine you can

try a Safeboot and from this environment try again your upgrade to macOS 12.1

verify you are using the Safari browser to download/initiate the macOS links.

How to upgrade to macOS Monterey

https://support.apple.com/en-us/HT212735