MDaemon Technologies Blog

ActiveSync Connection Issues Affecting Microsoft Outlook Users

By Brad Wyro

Microsoft Outlook (Version 2401 Build 16.0.17231.20194), which is the latest version currently available, includes an issue that prevents Outlook from retrieving data from ActiveSync servers.  Microsoft is aware of the issue and has reported that it will be fixed in a future version of Outlook. More information on this issue can be found here:

Currently, the only workarounds are to downgrade to the previous version of Outlook (Version 2312 Build 16.0.17126.20132) or use a different mail protocol to connect to the server, such as IMAP or MDaemon Connector, or switch to a different mail client, such as MDaemon Webmail or eM Client.  

Instruction for downgrading Outlook can be found in the following article:

We will post additional updates on our blog as we receive them.



Brad Wyro

Written by Brad Wyro

Brad has worked in technical and marketing roles at MDaemon Technologies, where he contributes as Content Marketing Manager. Brad balances technical and creative information to develop easy to understand videos and content to educate prospects and customers.


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