Article ID: 937105 - View products that this article applies to.
When you send an instant message to a contact in Microsoft Office Communicator 2005, you receive the following error message:
The following message could not be delivered to all recipients, possibly because one or more persons are offline
This problem occurs when the user to whom you sent the instant message signs in to Live Communications Server by using TCP. When the user does this, all invitation requests that are received from other Communicator 2005 users are dropped.
How to obtain the hotfixThis issue is fixed in the Communicator 2005 Hotfix Package that is dated June 29, 2007. For more information, click the following article number to view the article in the Microsoft Knowledge Base:
(http://support.microsoft.com/kb/937124/ )Description of the Communicator 2005 hotfix package: June 29, 2007
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.
Article ID: 937105 - Last Review: October 8, 2011 - Revision: 2.0
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