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So I was contacted in IM today by a past colleague (Hey Steve) now doing some consulting and he brought up this issue and trying to find the value as well as some background. The issue came up with a customer who wanted to have what is referred Read More
Now there are many times we have problems adding contacts so please read this carefully as the problem exposes itself for the user of MSN not Office Communicator (Windows Messenger would likely report the same or similar error, I just didn't test as most Read More
In its infancy but it has begun, an official RTC blog with product group involvement. http://blogs.technet.com/rtc/  I will continue this blog as it represents the support aspect of our product but I expect to help contribute to posts on that site Read More
What I post below comes from my teammate Jason, I have been trying to get him to start blogging with me. If you find this information useful send me an email with the subject: GET JASON A BLOG!  Windows Messenger 5.0/5.1 (HKEY_CURRENT_USER\Software\Microsoft\Tracing)==========================================================To Read More
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 Read More
UPDATE <4/06/2005> Thanks Randy! The customer having this issue followed up and identified the root cause to be an invalid Certificate Revocation Path on the certificates. REPORTED PROBLEM Users connecting to LCS 2003 configured for TLS with Read More
Interesting customer issue reported in that they could connect using TLS when providing the FQDN but when using Autoconfiguration it failed to connect. Normally when a customer tells us this we know that it is NOT a certificate issue, otherwise TLS would Read More
A quick modification to this post is that the analysis is accurate and this is current behavior. Bug/By Design are just semantics but we don't build the DNS query for a single label suffix for the SIP-URI. At this time, the solution is to not use Automatic Read More
There is a known issue with LCS 2003 and Windows Messenger being signed out overnight. The root cause is a known issue with fix for Kerberos. The KB article is still being published so not everyone knows about the issue. You will want to enable the client Read More
A really cool feature with Windows Messenger is the ability to customize it via Branding. Graham Tyler has a great post on customizing Windows Messenger to support Outlook Web Access (OWA). http://blogs.msdn.com/grahamtyler/archive/2004/08/17.aspx Read More
This is an issue one of my team mates Kevin shared with me about the new Aggregate Presence behavior in LCS vs. Exchange IM. For those customers who have used Exchange IM with WM 4.6, 4.7, 5.0 you may have noticed that when you sign in to multiple machines Read More
I am updating this topic to ensure that you never come here for information that is located elsewhere. The KB should always be authoritative, what you find here would be a supplement or clarification. I will post here the summary of main presence related Read More
LCS 2003 & Windows Messenger 5 ConnectivityOverall the behavior below is applicable for LCS 2005 but given the new feature of Pools there may be some slight/subtle difference, so for now this is about 2003 and I will edit at a later time with 2005 Read More
---------------------------------------------------------------------------------------------------------------------------- Updated April 29, 2005 New subject as I will post another entry that is more specific to the Windows Messenger client and port Read More