OneDrive for Business: Service degradation – Mac users may be unable to sign into or run multiple OneDrive for Business accounts on a single device – RESOLVED

15-09-2021 04:36:00 PM (BST)

Issue Reported: 13/09/2021 08:00:00 AM

Microsoft Reference : OD284958

NHSmail Reference : INC23828054

Issue Status: RESTORED

Issue Description: Mac users may be unable to sign into or run multiple OneDrive for Business accounts on a single device.

More info: This problem mostly affected users attempting to sign into both a personal account and a business account on the same device, but also impacted users signing into two business accounts. The issue only impacted users who have updated their devices to macOS 11.6. The issue also impacted both the OneDrive for Mac standalone sync client and the OneDrive on the Mac app acquired through the App Store.

OneDrive for Mac standalone sync client users could have manually downloaded the updated build with a fix if they hadn’t automatically received it from the following link: https://oneclient.sfx.ms/Mac/Prod/21.160.0808.0004/OneDrive.zip

Scope of impact: This issue could impact any of your Mac users who recently updated to macOS 11.6 and are attempting to sign into multiple OneDrive for Business accounts on the same device.

Final Update – 23/09/2021 12:06:00 PM: Microsoft developed and deployed an additional fix for the OneDrive app through the App Store that is now available and impacted users can manually update their app to immediately resolve this issue. As previously mentioned, the OneDrive for Mac standalone sync client fix has been completed and users can manually download the updated build that includes the fix at: https://oneclient.sfx.ms/Mac/Prod/21.160.0808.0004/OneDrive.zip if their clients aren’t already updated automatically.