Debug EWS subscription error – You have exceeded the available subscriptions for your account

Recently i was investigating an issue reported by an app developer. They created a custom EWS (Exchange Web Services) application which tries to open streaming subscription to Exchange Server 2013 using EWS. It worked fine for a while and later they noticed the following error: You have exceeded the available subscriptions for your account. Remove…

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Fix: Use autodiscover service to receive connection settings during OpenMsgStore() call

Today we released the hotfix which provides the ability for non-Outlook MAPI applications to use the Autodiscover service to receive connection settings during IMAPISession::OpenMsgStore, when the target is an Exchange mailbox. To enable this ability, install April 5, 2016, update for Outlook 2013 (KB3114941), and then follow these steps described at https://support.microsoft.com/en-us/kb/3114974 Hope this helps.