Move enough other files off the boot drive temporarily to an external drive to free up the space iCloud demands. That library was already stored in iCloud in identical form. ICloud Photo Library restarts the sync from scratch if you disable and re-enable the option.Īnd yet, when I tested disabling and re-enabling iCloud sync, as Joe’s wife did, I was told I didn’t have enough storage at iCloud, even though I had nearly 90GB free and my library is about 115GB. Apple must be using techniques that let it compare whether a photo in Photos for iOS or macOS already exists in the synced set at iCloud and on each connected device. ICloud and macOS are very, very bad at what should be a rudimentary sync operation. Full-resolution images are already on Mac. She would need to enable the Optimize Mac Storage setting in order to use iCloud Photo Library again on the Mac. (As to why, he didn’t say, but I did the same thing recently!)Īn error message appeared stating that photos in iCloud could not be downloaded to the Mac because there was not enough disk space. She had full-resolution images turned on, so she didn’t lose any media in the process. His wife turned iCloud Photo Library off with her 250GB set of photos and videos on a Mac with about 100GB of storage remaining on the drive. Joe Sarsero writes in with an issue about disabling and re-enabling iCloud Photo Library in macOS.