In this blog I am explaining the steps to configure calendar sharing between 2 Exchange 2013 Orgs. This can be continued to any number of forests/ORGs.A federated domain proof string will be created for each additional domain selected so ensure to create separate TXT records on your public DNS for each additional domain.This article discusses basic and advanced troubleshooting steps to resolve these types of conflicts.Before we begin troubleshooting, it is important to understand how Communicator pulls the free/busy information from Exchange.This article gives you some troubleshooting tips for resolving issues between Communicator and Exchange free/busy information.Author: Collin Hoag Publication date: May 2010 Product version: Microsoft Office Communicator 2007 R2 Have you ever been in a meeting and then started receiving instant messages or phone calls because your presence shows you as available?
This fix requires either Exchange Server 2013 CU12 (KB3108023) or Exchange Server 2016 CU1 (KB3134844) installed on the Exchange backend as well.
When Communicator uses Microsoft Office Outlook as its personal information manager, it can change a user’s presence automatically based on Microsoft Exchange Server free/busy information.
However, sometimes Communicator is not updated or showing the correct presence because of what is in the user’s free/busy information.
This issue occurs if the Always Use MSOAuth For Web Services registry key is set. You can't select multiple attachments of an email message in Outlook 2016 by pressing SHIFT.
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