Do not allow the computer to act as a BITS Peercaching client
This policy setting specifies whether the computer will act as a BITS peer caching client. By default, when BITS peer caching is enabled, the computer acts as both
a peer caching server (offering files to its peers) and a peer caching client (downloading files from its peers).
If you enable this policy setting, the computer will no longer use the BITS peer caching feature to download files; files will be downloaded only from the origin server.
However, the computer will still make files available to its peers.
If you disable or do not configure this policy setting, the computer attempts to download peer-enabled BITS jobs from peer computers before reverting to the origin
Note: This policy setting has no effect if the "Allow BITS peer caching" policy setting is disabled or not configured.
At least Windows Vista
In Registry Editor we can see the following changes:
For Enabled we get:
FullKeyPath : HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\Windows\BITS
ValueName : DisablePeerCachingClient
Value : 1
For Disabled we get:
Value : 0