How to change Horizon View SESparse to VMFSSparse

Nice article about changing SESparse to VMFSSparse:

How to change Horizon View SESparse to VMFSSparse

In my article Clearing up Space-Efficient Virtual Disk questions I explained the most important requirements and constraints when the new SESparse VMDK disk format with Horizon View 5.2.
Just in cased you missed it:

• This new feature requires vSphere 5.1 as well as hardware version 9 for the VMs.
• The Space Efficient format is only for for linked clone pools; and only for the OS disk.
• Horizon View automatically chooses the space efficient format when possible and there is no official way to change this behavior.
• The Space Efficient Format is not yet supported for Windows 8.
• The space reclamation process is kicked off automatically by Horizon View when the reclaimable space for the VM exceeds the threshold set by the administrator.
• The space reclamation statistics (reclaimed amount, reclaimed time) are displayed in the Pool Summary, and Desktop Summary.
• SESparse disks ARE COMPATIBILE with the Horizon View Storage Accelerator technology from View 5.1 / vSphere 5.

Despite many customers are already successfully using the new feature and are effectively saving on the overall storage capacity utilized, some customer asked me how to disable this feature and re-instate VMFS Sparse as the default disk type. For many VMware internal reasons SESparse is the Default behavior and cannot be changed from the Admin UI. However there are couple ways to disable it.

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Source: http://myvirtualcloud.net/?p=4745