macOS Big Sur instillation failed on my iMac (Retina 5K, 27-inch, Late 2014) the error message below is displayed:
"An error occurred while installing the selected updates".
All later attempts to upgrade display the same error message.
iMac 27″, macOS 10.15
The servers are being slammed. You will have to try again later.
The servers are being slammed. You will have to try again later.
There’s an issue with Apple Servers. You can check progress here: https://www.apple.com/support/systemstatus/
System Status: macOS Software Update - Resolved Issue
I'm having the same issue. I will try upgrading every couple hours.
macOS Big Sur 11.0.1 Installation failed
