LCS 2005 SE backup and restore WMI error and event 30961

First reported by Fairfax county the backup and restore procedure in the LCS 2005 Deploy SE document leaves you in a state of which clients cannot log in and the Admin can not view the Allow and Block List: Problem behavior: After restoring the following behavior and errors will be noted: In the LCS2005 MMC…

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LCS 2003: Windows Messenger on XP clients signed out overnight using Kerberos

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 side logging (RTCDLL) to report this issue and…

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LCS Sending Alerts

A common question we recieve is around Alerts (also IM to groups which will be a separate post) Customer question – Alerting ServicesIs there a way to inform all LCS users by Corporate Alert like MSN Alerts does it. The idea is to build a solution when employees subscribe to different alerts and recieve them…

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LCS Presence – Aggregate behavior vs Exchange IM

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 any text IM will be delivered…

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LCS Presence – Outlook, Sharepoint, etc.

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 issues so you get an idea of what you might need…

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LCS 2003 & Windows Messenger 5 Connectivity

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 applicable changes (if any). When establishing connectivity for Windows Messenger…

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LCS 2003 Certificates

LCS 2003 Certificates   * For those looking for LCS 2005 data, information will be documented and does vary slightly due to the use of a pools (collection of Home Servers), which will require the use of SUBJECT_ALT_NAME One of the main calls received for Live Communications Server is around the topic of Certificates. It…

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LCS – TCP Secondary connections and Messenger through a firewall (TCP or TLS)

—————————————————————————————————————————- Updated April 29, 2005 New subject as I will post another entry that is more specific to the Windows Messenger client and port usage for its features. —————————————————————————————————————————-   Customers using Windows Messenger to connect through a firewall will find this post informative. Please be advised that it is written based on a customer…

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