After modifying the Lync clients and servers to use specific port ranges, QoS policies must be created for the servers and clients to add the appropriate DSCP value to traffic originating from each port range. The steps required to use policy-based QoS through Group Policy are similar, but the port ranges used for servers and clients will likely differ. Create at least two separate policies: one for servers and one for clients. To create a new policy, perform the following steps:
1. Open a new Group Policy object.
2. Expand Computer Configuration, Windows Settings, and then click Policy-Based QoS.
3. Right-click Policy-Based QoS and select Create New Policy.
4. Enter a name for the policy, such as