Big Sur - "Time Machine couldn't complete the backup to"... "The backup disk image could not be created"

Good morning!

I am currently running BigSur 11.2.3. Since upgrading to BigSur, I have not been able to backup to either of my NAS devices. I have a WD My Cloud and a Syncology device. I have tried to create a new "share folder" on both the NAS devices, delete the old backup and start a fresh, and tried a slew of different combinations on the NAS without success.

I am losing my mind on this one and not sure what the next step would be. Thoughts? TIA

iMac Pro

Posted on Mar 21, 2021 8:08 AM

Top-ranking reply

mikeboyer Author

Level 1

4 points

Posted on Mar 21, 2021 10:21 AM

Found the issue. After going through these forums for the past few weeks, it was Sopohos that was causing the issue. I removed it and the Time Machine is working great once again.

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Big Sur - "Time Machine couldn't complete the backup to"... "The backup disk image could not be created"

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