📎 AI Summary:
The original poster inquires whether upgrading the Windows Server 2012 R2 host to Server 2016 affects existing VMs, seeking precautions to prevent issues. A respondent explains that generally, in-place upgrades don't impact VMs, except for necessary reboots and potential downtime; specific configurations like RDS may require additional adjustments. Overall, the discussion suggests that with proper planning, VMs are unlikely to be adversely affected during the host upgrade.

imSuri

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If you've VM's in 2012 R2, does in-place upgrade on the host to server 2016 affect/impact the VM's? If so, what precaution is to be taken to avoid it?
 

Solution
Typically no minus the fact that a reboot will be required and some down time while the upgrade completes. It definitely depends on what is running on the server such as RDS will require removal to complete the upgrade process so there would be work to re-setup RDS

Neemobeer

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Typically no minus the fact that a reboot will be required and some down time while the upgrade completes. It definitely depends on what is running on the server such as RDS will require removal to complete the upgrade process so there would be work to re-setup RDS
 

Solution