Forum Discussion
Block OneDrive for all users on tenant
We have recently migrated all our users to a new M365 tenant but have found that users with OneDrive on their personal devices are still able to sign in and save files to their old OneDrives. What wo...
Some of the third-party migration tools offer "reconfiguration" of the OneDrive client, I take it that was not part of your process? There are few options to consider. CA policy should do, and if those are managed devices you can use the GPO/reg keys to limit which tenants OneDrive can access: https://learn.microsoft.com/en-us/sharepoint/use-group-policy#allow-syncing-onedrive-accounts-for-only-specific-organizations
Depending on whether any use remains for apps within the old tenant, you can also consider disabling all accounts therein, or just resetting their passwords. Revoking all tokens can speed up the process of blocking access.
Depending on whether any use remains for apps within the old tenant, you can also consider disabling all accounts therein, or just resetting their passwords. Revoking all tokens can speed up the process of blocking access.