Computer/User Node :
MACHINE
Policy Path :
Administrative
Templates\Windows Components\Windows Installer
Supported on :
Windows Installer v3.0
Help/Explain Text :
This policy
controls the percentage of disk space available to the Windows Installer
baseline file cache. The Windows Installer uses the baseline file cache to save
baseline files modified by binary delta difference updates. The cache is used
to retrieve the baseline file for future updates. The cache eliminates user
prompts for source media when new updates are applied. If you enable this
policy setting you can modify the maximum size of the Windows Installer
baseline file cache. If you set the baseline cache size to 0, the Windows
Installer will stop populating the baseline cache for new updates. The existing
cached files will remain on disk and will be deleted when the product is removed.
If you set the baseline cache to 100, the Windows Installer will use available
free space for the baseline file cache. If you disable this policy setting or
if it is not configured the Windows Installer will uses a default value of 10
percent for the baseline file cache maximum size.
Registry Settings :
HKLM\Software\Policies\Microsoft\Windows\Installer!MaxPatchCacheSize
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