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M365 Changelog: (Updated) OneDrive sync client will be blocked on virtualized machines configured with unsupported versions of FSLogix

MC467233 – Updated December 12, 2022: Microsoft has updated the timeline below. Thank you for your patience.

Microsoft has created a script which will allow customers to provide a list of VM names and remotely check to see if FSLogix is installed and if so, checks if the installed version greater is than the minimum version. It not only checks the version from the registry point of view, but also checks all the individual component versions as an extra measure. This script can be found here: GitHub

Note: If your organization does not utilize OneDrive on virtual machines, you can safely disregard this message.

OneDrive Sync client connections from a virtual machine using FSLogix releases older than FSLogix 2009 Hot Fix 1 are not supported and will get blocked starting Jan 2023. The hard block will show an error message, and the attempt to run the OneDrive Sync client on the machine will get blocked.

When will this happen:

The deployment will begin in March 2023 (previously January) and continue through April 2023 (previously February). Starting March 2023, any user connecting to OneDrive sync client with unsupported version of FSLogix will begin seeing error messages and OneDrive will not run on the machine. You can review the FSLogix release notes for more information.

How this will affect your organization:

Any enterprise that is using OneDrive in a virtual environment without a supported version of FSLogix is at risk of having OneDrive blocked for any users running on the virtual machine in an unsupported state. The OneDrive sync client will be blocked for any virtualized configuration using a FSLogix release older than FSLogix 2009 Hot Fix 1.

Users will see a dialog explaining that OneDrive cannot sync, and that they should contact their administrator. Once the user acknowledges this dialog, the OneDrive sync client will shut down.

What you need to do to prepare:

To avoid user impact, install the latest version of FSLogix on all virtualized machines using the OneDrive Sync client.

Additional information