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Microsoft Senior Support engineers walk you through real-life support cases, giving you an insider’s view into the systematic approach they use to troubleshoot Lync Server issues.
These short videos focus on specific tasks and show you how to accomplish them for Microsoft Lync Server 2010.
Author: Martin Isaksen
Publication date: June 2009
Product version: Office Communications Server 2007 R2
In order to mark Audio and Video packets for DSCP in OC 2007 R2, the following steps has to be performed on Vista SP1 and SP2 PCs:
Create and update the following key : (32 bit DWORD set to)
After the reboot, RTP Media will be marked with the following default values: (which can be changed)
These default values can be changed by going to Group Policy and changing the default value show below:
For customers who also want signaling (SIP TLS) to be marked with unique DSCP values - a group policy will have to be created. (see following steps)
1) Under Group Management Editor -- Create New Policy
2) Set Policy Name DSCP value for SIP signaling. We will use DSCP 40 for SIP signaling per RFC 4504.
3) Next add exact program path and name:(c:\Program Files\Microsoft Office Communicator\communicator.exe)
4) Next all (i.e any) IPs will be used as the filter
5) Next select TCP 5061 as the destination port. (SIP TLS uses TCP 5061)
6) Click finish and you are done!
This insight into Office Communications Server 2007 R2 was created as part of Martin Isaksen's participation in the Microsoft Certified Master program.
The Microsoft Certified Master Program: The Microsoft Certified Master: Microsoft Office Communications Server 2007 program provides the most in-depth and comprehensive training available today for Office Communications Server 2007. This three-week training program is delivered by recognized experts from Microsoft and Microsoft partner organizations.