Others, on the other hand, are seeing "The network connection was lost" error messages when they try to download macOS Catalina. One of the most common macOS Catalina problems that people have encountered is that macOS 10.15 fails to download, with some users seeing an error message that says “macOS Catalina download has failed." (Image credit: Shutterstock) How to fix macOS Catalina download problems That script still has some abilities that do not seem to be available to the softwareupdate command, but it is good to see Apple accepting the need for this kind of workflow.The macOS 10.15 failing to download is one of the most common macOS Catalina problems people encounter. So far the only way to download the macOS Installer in some automated fashion was using Greg Neagle’s installinstallmacos.py script. (Again I did not have such hardware available for testing.) I would assume that downloading an Installer application for a macOS version that is not supported on the hardware you are running the command on would fail. I was not able to test if 10.13.6 would download the hardware specific build of 10.13.6 for the 2018 MacBook Pro, since I do not have that hardware. % softwareupdate -fetch-full-installer -full-installer-version 10.14.6ĭuring my testing in the Catalina beta version I was able to download 10.15, 10.14.6, 10.14.5, and 10.13.6. The -fetch-full-installer flag has a sub-flag: -full-installer-version which allows you to download a specific version.
This is extremely useful for many admin tasks. Will download the latest ‘Install macOS’ application to this Mac’s /Applications folder. The softwareupdate command has gained a new option in Catalina: % softwareupdate -fetch-full-installer Catalina is out! While you are preparing for your upgrade, here’s a nice new feature for MacAdmins:
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