To resolve the problem, make sure that the DefaultIMApp string value is set to the appropriate value for your installed IM client. Before you modify it, back up the registry for restoration in case problems occur. Serious problems might occur if you modify the registry incorrectly. Resolutionįollow the steps in this section carefully. Cisco Jabber is manufactured by Cisco Systems. In one case, Microsoft Support teams saw the problem that is described in the Symptoms section by noticing that the value of DefaultIMApp was set to Cisco Jabber. This problem can occur when a wrong or incompatible IM client is listed as the value for DefaultIMApp in the registry. For example, in Microsoft Outlook 2010, the Quick Contacts items from Microsoft Lync are not available in the Outlook To-Do bar or presence information and contact photos do not appear in Outlook. Some of the instant messaging features that are shared between your instant messaging (IM) client and Microsoft Outlook may be missing. Applies to: Outlook 2019, Outlook 2016, Outlook 2013, Microsoft Outlook 2010, Microsoft Office Outlook 2007, Outlook for Office 365.Some instant messaging client features are not available in Outlook
