Manage the Reserved QoS Bandwidth (Windows 2000/XP)
Category: Home > Network
This setting determines the percentage of connection bandwidth that the system can reserve for QoS traffic. By default, the Packet Scheduler limits the system to 20 percent of the bandwidth of a connection.
Open your registry and find or create the key below.
Create a new DWORD value called "NonBestEffortLimit" and set it to the percentage (in decimal) of bandwidth to reserve for QoS packets.
Restart Windows for the change to take effect.
Note: This can be change on an adapter-by-adapter basis by creating the same value in [HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Psched\Parameters\Adapters\{Adpater-ID}].
 |  |  |  |  |
|  | (Default) | REG_SZ | (value not set) | |
|  | NonBestEffortLimit | REG_DWORD | 0x00000032 (50) | |
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| HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows\Psched |  |
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| Settings: |
System Key: [HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows\Psched]
Name: NonBestEffortLimit
Type: REG_DWORD (DWORD Value)
Value: Decimal Percentage (default = 20)
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Related Tweaks
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
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