Registry Home > Network

Manage the QoS Packet Queuing (Windows 2000/XP) Popular

This setting specifies the maximum number of outstanding packets permitted on the system. When the number of outstanding packets reaches this limit, the Packet Scheduler postpones all submissions to network adapters until the number falls below this limit.

This tweak can be easily applied using WinGuides Tweak Manager.
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Open your registry and find or create the key below.

Create a new DWORD value, or modify the existing value, called "MaxOutstandingSends" and set it according to the value data below.

Exit your registry; you may need to restart or log out of Windows for the change to take effect.

Registry Editor Example
|(Default)REG_SZ(value not set)|
|MaxOutstandingSendsREG_DWORD0x0000ffff (65535)|
Registry Settings
System Key: [HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows\Psched]
Value Name: MaxOutstandingSends
Data Type: REG_DWORD (DWORD Value)
Value Data: Maximum Packets (default = 65535)

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Disclaimer: Modifying the registry can cause serious problems that may require you to reinstall your operating system. We cannot guarantee that problems resulting from modifications to the registry can be solved. Use the information provided at your own risk.

Last modified: August 26, 2002