Disabling the Windows registry backup feature, RegIdleBackup, can minimize the number of system writes and reduce the growth of linked-clone desktops.

Procedure
1

In vSphere Client, select the parent virtual machine and select Open Console.

2

Log in to the Windows 7 or Windows 8 guest operating system as an administrator.

3

Click Start > Control Panel > System and Security > Administrative Tools.

4

Select Task Scheduler and click Open.

5

In the left pane, expand Task Scheduler Library, Microsoft, Windows.

6

Double-click Registry and select RegIdleBackup.

7

In the Actions pane, click Disable.