Set the Base to Decimal to see the time in minutes. Note: You can contact your network administrator to find out this value rather than by going by trial and error as indicated below. The best value for this key name is 1 minute shorter than the session time-out configured on the firewall (which explains the 59 minute default as 60 minutes is a common session time-out value on a firewall and an even longer heartbeat interval wouldn't make much sense anyway).
Key: HKEY_CURRENT_USER\Software\Microsoft\Office\15.0\Outlook\EAS If you are in an environment where the Direct Push session gets terminated prematurely by the firewall, you can configure Outlook to create a session with a shorter heartbeat interval by modifying the "pushduration" Registry key value. The server thinks the client is offline and will not attempt to push these emails to the client until the client reconnects by itself (Outlook does this by default every 59 minutes).Outlook is unaware of this disconnect as it doesn't expect a response back from the server until a new message arrives or when the heartbeat interval expires.Heartbeats and timeoutsĭue to network idle connection timeouts, usually configured on firewalls, this heartbeat and thus the active session with the server could be closed prematurely. Luckily, it is quite easy to revive it as well. Unfortunately, under some circumstances this heartbeat may stop. This is achieved by creating a session which holds an idle connection to the server for a specific interval, also known as a heartbeat. The EAS protocol indeed should give you a near instant delivery experience for new emails. How can I prevent Outlook from breaking this sync and continue to collect my email directly from the server as it arrives? This is indeed the case for a while but when I have Outlook open for a longer period of time, my account stops synching with Outlook and I have to press the Send/Receive button to get my new mail or restart Outlook In a previous post you mentioned that unlike Outlook Hotmail Connector accounts, which syncs on a schedule, mail for EAS accounts in Outlook 2013 should arrive almost instantly (Direct Push). I've configured my account in Outlook 2013 as an Exchange Active Sync (EAS) account.
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