The command shown in Example 2 modifies the global collection of conversation history configuration settings. Example 2 - Set-CsConversationHistor圜onfiguration -Identity "global" -CachedUserThreshold 2000000 In turn, conversation histories, missed call notifications, and missed IM notifications will be stored on the server rather than in client mailboxes. In Example 1, the EnableServerConversationHistory property is set to True ($True). Examples - Example 1 - Set-CsConversationHistor圜onfiguration -Identity "global" -EnableServerConversationHistory $True Make sure that the Save IM conversations in my email Conversation History folder check box is selected. Under Personal Information Manager, make sure that Microsoft Exchange or Microsoft Outlookis selected. However, the global settings can be modified by using the Set-CsConversationHistor圜onfiguration cmdlet. Make sure that the client options are configured to save the conversation history: Locate Skype for Business/Lync Client> Options> Personal. Keep in mind that a single, global collection of these settings is used to manage conversation history throughout your deployment there is no option for creating additional conversation history. That also means that administrators can manage the server-side storage of these conversation histories by using the conversation history configuration settings. With Skype for Business Server, however, conversation histories, missed call notifications, and missed IM notifications can now be stored on the server instead of in client mailboxes this change makes these items readily available to mobile devices.
Unfortunately, that proved to be a problem for mobile device users, because the Conversation History folder is typically not replicated to mobile devices. Prior to the release of Skype for Business Server, conversation histories were stored exclusively in the Conversation History folder, written by the Skype for Business rich client.
Set-Cs Conversation History Configuration In this article Syntax Set-Cs Conversation History Configuration These settings manage conversation histories for mobile device users. Modifies the conversation history configuration settings for the organization.