Using System Center 2012 R2 Configuration Manager SP1 to Manage Windows-based HP Thin Clients

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23. In the Task Sequence Editor, select Partition Disk 0 - UEFI. Select the Options tab to verify the running condition.
24. Double-click Windows (Primary) to edit its properties.
25. In the Partition Properties dialog, under Use a percentage of remaining free space, enter 95.
Note:
The deployment fails if this value is left at 100, because Windows cannot create the write filter partition.