Enable the Packet Scheduler feature
Bandwidth throttling uses Packet Scheduler to manage when data packets are sent. When you configure a site to use bandwidth throttling by using IIS Manager, Packet Scheduler is automatically installed, and IIS automatically sets bandwidth throttling to a minimum of 1024 kilobytes per second (KBps). However, if you use another method, such as Active Directory® Service Interfaces (ADSI) or WMI, you must enable Packet Scheduler for bandwidth throttling to work correctly.
Enable Packet Scheduler
To enable Packet Scheduler:
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From the Start menu, click Control Panel, click Network and Sharing Center.
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Under Tasks, click Manage network connections. The Network Connections window appears.
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Right-click any one of the listed connections, and then click Properties.
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Under This connection uses the following items, look for the entry QoS Packet Scheduler.
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If QoS Packet Scheduler is present, select the check box next to QoS Packet Scheduler, and click OK.
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If the QoS Packet Scheduler entry is not present, install it by using the following procedure.
Install the QoS Packet Scheduler
To install the QoS Packet Scheduler:
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Click any one of the listed items, and then click Install.
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In the Select Network Component Type dialog box, click Service, and then click Add.
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In the Select Network Service dialog box, click QoS Packet Scheduler, and then click OK to close all open dialog boxes.
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