What is Pas?

You might have seen the event with id 32113 from LS User Services informing that “Pas with FQDN: x.y.z has been detected up” and wondered what Pas is? Pas or PAS stands for Presence Agent Server and is the component of the Lync Server handling presence logic and traffic. Some of the tasks performed by…


AutoInitiateContacts

My colleague Thomas Binder drew my attention to this feature. Microsoft Lync  2010 includes the ability to automatically populate the Frequent Contacts list with members from your team. The feature is controlled by the AutoInitiateContacts parameter in the CsPrivacyConfiguration. The default value is True. The parameter is transferred to the client using in-band provisioning in…


MWI from Exchange 2010 SP1 UM to Lync 2010

I was planning to write a post on how Exchange 2010 SP1 UM is able to send Message Waiting Indicator (MWI) to Lync 2010, but then I discovered that this is already covered in great detail in the Exchange 2010 SP1 documentation. What I will add to the description is a little more how it…


Bandwidth Management

(Updated Oct 15 to fix misunderstanding around how EnableBWPolicyOverride works) In this post I will show you how to configure CAC or bandwidth management and describe how the user experience will be when making calls where no bandwidth is available. Imagine the setup below. Two network segments (10.164.28.0 and 10.164.25.0) with a router between. Two…


What is Central Management Store (CMS)

Update May 25, 2011: The official Server Administration chapter including the CMS section has now been published – http://blogs.technet.com/b/drrez/archive/2011/05/24/microsoft-lync-server-2010-resource-kit-server-administration.aspx The following information is an official preview of a single section of the Microsoft Lync Server 2010 Resource Kit, which will debut chapter-by-chapter in 2011 on the DrRez blog and then later be available in its…


Outbound routing

In Microsoft Lync Server 2010 the Mediation Server is now able to control multiple PSTN gateways. How does this impact outbound routing of calls? Imagine a scenario as in the figure below. We have two sites A and B each with a SE server, a co-located MS and a PSTN gateway. In the topology the…