LCS – Hardware Load Balancers and time out values

Customers ask questions regarding the configuration of time out values for LCS and their Hardware Load Balancers. There are 2 partner load balancer solutions of which we have documentation on at the http://office.microsoft.com/livecomm site. Some customers are looking in the Planning Guide at the following blurb and end up with questions. Must provide a configurable…

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A bit of insight into the role of Beta Engineer with LCS "Budapest"

I am currently the Beta Engineer for our Budapest product which is a web browser solution for clients not running the Microsoft Office Communicator client. The goal of this client is to reach those with older operating systems, i.e. pre-Windows 2000 SP4 and pre Windows XP. They are also targeting non-Windows operating systems as well…

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LCS 2005 SP1 Public Internet Connectivity (PIC) and Certificates

This really deserves (needs, mandates) a complete posting on Certificate issues but I don’t have the time at the moment. Do keep a look out as it might impact the other posts about client behavior and certificates. While I might remove the post, I will convert it to an article and link in the updated…


LCS – using the same SQL server for the backend database and Archiving

Many customers want to know about minimizing their hardware usage especially if they are smaller deployments  1) What is supported for LCS and Archiving using the same SQL server – same instance, different instances? From a performance perspective, if you want them on the same box, then use the same instance of SQL server. This…


LCS 2005 User Replicator FAQ

I am happy to provide the following information straight from one of our LCS Development Leads. Getting this information is invaluable because they know the ins and outs of the component so well they know the answer to your problem immediately. Permission to post this information was given as long as it was posted in…


LCS 2005 User Replicator FAQ

FAQ: 1. What does User Replicator do? User Replicator is responsible for ensuring that the LCS 2005 user database (MSDE for SE; SQL Server for EE pool) and Active Directory are synchronized. What this means is that any time an LCS enabled user object is created or modified in Active Directory, it is User Replicator’s…

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LCS 2005 – Reasons why NLB is not recommended but instead a Hardware Load Balancer

LCS 2005 – Why no NLBs? There are a couple of reasons why we are recommending a 3rd party LB for LCS2005 EE deployments (particularly those that for large number of clients):   1. The traffic patterns and hold times are different when compared to HTTP – SIP connections are characterized by long hold times,…

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LCS – Mobile device client announcement

Have a mobile device and want Instant Messaging to your corporate Live Communications Server? http://www.microsoft.com/presspass/press/2005/apr05/04-19RTCMobileClientPR.asp http://www.eweek.com/article2/0,1759,1787862,00.asp   Given that this is still an announcement with no public beta currently, I will not be posting any “secret information”. Toml LCSKid


LCS – Windows Messenger port information for IM, File Transfer, Audio and Video

This post is about the ports in use for Windows Messenger and Live Communications Server. VERY IMPORTANT: only the IM traffic goes through the LCS server, all other traffic is peer to peer. Firewalls and Windows MessengerOptions exist for using the advanced features of Windows Messenger with a non-UPNP firewall. Points to consider on this…

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Creating a new SQL instance for LCS 2005 Archiving

I have not documented every single screen step, any step I do not explicitly called out, use the default selection and continue.   SQL 2000 – Autorun SQL Server 2000 Components Install Database Server             SQL 2000 SP2 and below error   Enter name of computer for new instance – Keep the default of Local…