Enabling this policy prevents indexing from continuing after less than the specified amount of hard drive space is left on the same drive as the index location. Select between 0 and 2147483647 MB.Enable this policy if computers in your environment have extremely limited hard drive space.When this policy is disabled or not configured Windows Desktop Search automatically manages your index size.
Policy path:
Windows Components\Search
Scope:
Machine
Supported on:
Microsoft Windows XP Windows Server 2003 with Windows Search version 3.01 or any version of Microsoft Windows with Windows Search 4.0 or later
Registry settings:
HKLM\SOFTWARE\Policies\Microsoft\Windows\Windows Search!PreventIndexingLowDiskSpaceMB
Filename:
Search.admx