Update scheduled-events.md

Adding a limitation for GPU VMs

Author: adwilso

articles/virtual-machines/windows/scheduled-events.md

@@ -58,11 +58,13 @@ Scheduled events are delivered to and can be acknowledged by:
 - All the VMs in an availability set.
 - All the VMs in a scale set placement group. 
 
-> [!NOTE]
-> Scheduled Events for all virtual machines (VMs) in an entire Availability Set or a Placement Group for a Virtual Machine Scale Set are delivered to all other VMs in the same group or set regardless of Availability Zone usage.
+Scheduled Events for all virtual machines (VMs) in an entire Availability Set or a Placement Group for a Virtual Machine Scale Set are delivered to all other VMs in the same group or set regardless of Availability Zone usage.
 
 As a result, check the `Resources` field in the event to identify which VMs are affected.
 
+> [!NOTE]
+> GPU accelerated Virtual Machines in a scale set using 1 fault domain (FD = 1) will only receive scheduled events for the impacted resource. Events will not be broadcasted to all VMs in the same placement group.
+
 ### Endpoint discovery
 For VNET enabled VMs, Metadata Service is available from a static nonroutable IP, `169.254.169.254`. The full endpoint for the latest version of Scheduled Events is: