Policy

Qualitative service type

Windows 11 25H2

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Policy overview

Key metadata and intent for this policy.

ClassComputer
CategoryNetwork > QoS Packet Scheduler > DSCP value of non-conforming packets
Supported onAt least Windows Server 2003 operating systems or Windows XP Professional

Supported OS tags: Windows10, Windows10RT, Windows11, Windows7, Windows8, Windows81, WindowsRT, WindowsRT81, WindowsServer2003, WindowsServer2008, WindowsServer2012, WindowsServer2012R2, WindowsServer2016, WindowsVista, WindowsXP

Specifies an alternate Layer-3 Differentiated Services Code Point (DSCP) value for packets with the Qualitative service type (ServiceTypeQualitative). The Packet Scheduler inserts the corresponding DSCP value in the IP header of the packets. This setting applies only to packets that do not conform to the flow specification. If you enable this setting, you can change the default DSCP value associated with the Qualitative service type. If you disable this setting, the system uses the default DSCP value of 0. Important: If the DSCP value for this service type is specified in the registry for a particular network adapter, this setting is ignored when configuring that network adapter.

Internal name
QosServiceTypeQualitative_NC
Policy ID
022911dd5194
Elements
1

Registry values

How enabled and disabled states update the registry.

No explicit registry values are set for enabled or disabled states.

Policy elements

Inputs and configuration options exposed by this policy.

ElementTypeRegistry mappingConstraints & behavior
DSCP value:
ID QosDSCPValue
decimal
HKLM\Software\Policies\Microsoft\Windows\Psched\DiffservByteMappingNonConforming\ServiceTypeQualitative
Type REG_DWORD
Range: ? to 63

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