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BITTORRENT SYNC FOREVER LOADING PATCH
BITTORRENT SYNC FOREVER LOADING WINDOWS

highlyrestricted – Allow for the receive window to grow beyond the default value, but do so very conservatively.

disabled – Fix the receive window at the default value, which is 65536 bytes RWIN.

If restricting TCP/IP Auto Tuning level doesn’t help, try the other values possible for the autoTuningLevel parameter: Netsh interface tcp set global autotuninglevel=highlyrestricted Open an elevated command prompt to run the command.

BITTORRENT SYNC FOREVER LOADING WINDOWS

The following command will set the TCP Auto Tuning feature to highly restricted, which allows the TCP/IP window to grow beyond its default value, and instructs Windows Vista to use RWIN of 16,384 bytes with a scale factor of 2 (16384^2*2=64K bytes), with a maximum size of 262,140 bytes. Thus in when Windows Vista connects with 256 bytes RWIN, the connection speed will have slow start or dropped automatically. Some older routers, switches, servers or network equipment do not negotiate the scale factor, and will always communicate with a RWIN of 65536 bytes.

BITTORRENT SYNC FOREVER LOADING PATCH

If you don’t want to modify or patch the the tcpip.sys of the system, here’s another workaround which you can try if the change will solve the slow download problem and increase the P2P BitTorrent or ED2K download speed.īy default, Windows Vista enables Receive Window Scaling and uses a RWIN (TCP/IP Receive Window) of 256 bytes with a scale factor of 8 (256^2*8=64K bytes) when performing the handshake, which allows the maximum size of RWIN at 16,776,960 bytes. Other than the usual port forwarding in router, firewall setting to unblock the BT client or other P2P client, and tweaking of options in the client itself, some users use patched tcpip.sys that remove the half-open connection limit imposed by Microsoft.

P2P users using BitTorrent client such as uTorrent, BitComet, ABC, Azureus, or eDonkey network client such as eMule resorts to various workarounds in order to speed up the torrents download speed. The changes to Windows Vista networking may make peer-to-peer downloading and uploading such as BitTorrent (BT) network crawling at slow speed. To make thing worse, the TCP/IP network protocol stack in Windows Vista has been rewritten so that Windows Vista can auto adapt and optimize network settings according to network connection configuration. Windows Vista, like Windows XP SP2 or Windows XP SP3, has also limit the number of concurrent simultaneous half-open TCP connections or sync packets that the system can establish at any one time.