Group Writeback v2  in Microsoft Entra Connect Sync ( aka AADConnect ) will be End of Life June 30 2024

” will no longer be supported in Connect Sync” – Who knows if it will still work but not supported?

https://learn.microsoft.com/en-us/entra/identity/hybrid/connect/how-to-connect-group-writeback-v2

Great so switch to cloud sync right?

https://learn.microsoft.com/en-us/entra/identity/hybrid/cloud-sync/what-is-cloud-sync#how-is-microsoft-entra-cloud-sync-different-from-microsoft-entra-connect-sync

Cloud sync doesn’t support Device Syncing from AD to AzureA AD 🙁

So the solution, is you have to run both solutions in parallel – migrate User\Group Syncing to Cloud Sync and Leave only the device OU’s to Microsoft Entra Connect Sync