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I keep getting this error 45 when trying to backup. It has worked before but suddenly stoped working today. I have not made any major changes to my server or to my computer. I installed windows using bootcamp a few days ago. Any possible fixes?
MacBook Pro 16", macOS 10.15
Hello HT204157,
I see that your Mac is encountering an error when attempting to back up with Time Machine. Check out the following support article, which provides some troubleshooting steps to try for this behavior: If you can't back up or restore your Mac using Time Machine - Apple Support
Have a nice week.
I have the same problem. I was using a MacBook Pro running Catalina 10.15.5 with successful Time Machine backups to a NAS. Yesterday I migrated to a 2019 iMac, also running Catalina 10.15.5. I am getting a similar error.
Any ideas how to resolve this?
I was able to solve it by deleting the storage file and relinking to my server.
Resolved by PRAM reset.
TIme Machine Error 45
