Tweaking OCS for PIC with Windows Live/MSN Messenger

  Summary:   Windows Live/MSN Messenger defines both Minimum and Maximum values for Presence subscriptions. If the SUBSCRIBE method uses a value out of this range, it may result in a SIP failure.  The minimum value is 3600 seconds and the MAX value is 13000 seconds.     More Information:   MinPresenceSubscriptionExpiry   ·         Stored…

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RESOLVED - Technical inaccuracy in KB 897567 (specific to PIC, LCS/OCS, and Windows Live/MSN Messenger)

  Update: As of June 25, 2009, the KB article 897567 has been updated, and now is accurate.   Summary: As of June 13, 2009, the content of the KB article 897567 contains an inaccuracy.  The last octet for the second MSN IP address was improperly transposed.  It’s published as 64.4.9.254, but that should be .245.  We are…

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Failure to establish PIC connectivity to MSN

  Symptoms:   LCS 2005, OCS 2007, and/or OCS 2007 R2 fail to establish PIC connectivity to MSN after changes were made to the MSN infrastructure on May 9, 2009     Data:   In the logs, you’ll see the following data:   TL_ERROR(TF_CONNECTION) [1]08B4.146C::05/12/2009-15:32:27.115.00004bcf (SIPStack,SIPAdminLog::TraceConnectionRecord:1224.idx(157))$$begin_record LogType: connection Severity: error Text: Receive operation on the…

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