These 3 Techniques Can Help You Increase Network Speed Through Registry Editor (Windows)

increase network speedMany applications out there would offer you high internet speeds plus increased network speed. However what most of these applications do is take your money and give you nothing in return. A few of them can even be malware. This article will show you how you can increase network speed and you will get the needed apps free of charge. It takes more than a few shiny apps to speed up your internet connection.

Caution: All the modifications described below has to do with making some changes in the registry. Because of that, you have to be very careful while carrying out any of the procedures and your registry must be backed up before you make any modifications. If you delete or modify anything from your registry accidentally, you computer may stop working.

A. IRPStackSize

IRPStackSize stands for input output Request Packet Stacks Size and essentially it represents the number of thirty six bytes receive buffers your system can use together. It lets your PC get more data concurrently. If your internet connection is large (over 10 Mbps), this will be of benefit to you and you might increase network speed. If your internet connection is smaller, you may not be able to notice any difference, so you should not try this one.

Usually your PC assigns 15 IRPs within its network stack. Generally, you should be better off with 32, even though it is possible to configure up to fifty. You should first try 32.

You can find the key within your registry here:


Include “IRPStackSize as DWORD value on regedit window’s right hand side and the value should be changed to 32.

B. SizeReqBuf

SizeReqBuf stands for how large raw receive buffers are in a server environment. What this means is that your capacity to host anything within an elevated- latency environment will be affected. Assuming a game server is hosted by you and several individuals complain about lag. This can be optimized to increase network speed. The effect of lag can be decreased by modifying this value. It will also be of benefit to you if you are hosting a site or some other service, which includes sending files via Neo Modus Direct or instant messenger.

Usually, this buffer is put at 16384 by your system. This will serve the purpose, for most servers, however at times your memory may be small and you may not be able to cope with the high volume of demand.

You will find the key at this location within your registry:


Include “SizReqBuf” as DWORD value on regedit window’s right hand side. If your server has physical memory that is above 512 MB, the value should be changed to 17424. if the memory of your PC is below 512 MB, you are better off getting another computer, however for now this value can be  modified to 4356.

C. DefaultTTL

TTL stands for Time to Live and it lets routers know the length of time a packet should remain in the air as it is trying to deliver before it can stop and throw the packet away. You computer will spend more time as it waits for a delivery from a failed packet. This has the effect of reducing the level of productivity within your network.

When no value is fixed, Windows will wait for 128s for the conclusion of the transaction. This will cause your PC to lag awfully if your computer was busy trying to complete a task and something goes wrong with your connection to a server.

You will find the key at this location within your registry:


Include “DefaultTTL” as DWORD value in the “Parameters” key. The value should be set at something between 1 & 255. 64 is actually the best value, but if you would like the packet to be  killed faster, you can fix lower values. You can increase network speed through your system’s registry editor is several other ways. More will be brought to you in subsequent articles.

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