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Windows 7: Limit bandwidth/internet speed on adaptor

24 Apr 2012   #1

Windows 7 Home Premium
Limit bandwidth/internet speed on adaptor

Hello. I want to limit the bandwidth on my LAN adaptor. I have four questions:
  1. I know of the "Limit reservable bandwidth" policy in the Group Policy Editor. My question is, the bandwidth limit % is a percentage of what exactly? A percentage of the maximum speed the LAN adaptor can handle (100Mbits in my case)? Or a percentage of the actual internet speed (although I highly doubt this)? Can this percentage be a fraction (maybe somewhere in the registry)?
  2. Does the Limit reservable bandwidth policy actually work? Because, I don't know, I just feel it's too easy =).
  3. Under Device Manager > [Adaptor] Properties > Advanced [tab], there is an option called Link Speed. It has 100Mbps and 10Mbps, with each being either in full or half duplex. Does this setting affect the Limit reservable bandwidth policy?
  4. In the description on that group policy, it says "If a bandwidth limit is set for a particular network adapter in the registry, this setting is ignored". Which registry key is this? Is this the same registry key for the "Link Speed" setting described in the previous point?

I cannot test any of this because I don't have high speed internet yet.

My System SpecsSystem Spec


 Limit bandwidth/internet speed on adaptor

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