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Hi Ehab,<br />
Outlook2016 does not support this method to connect to Exchange 2016.<br />
Please check this for more details<br />
<a href="https://support.microsoft.com/en-us/help/2859522/outlook-does-not-support-connections-to-exchange-by-using-activesync" rel="ugc">https://support.microsoft.com/en-us/help/2859522/outlook-does-not-support-connections-to-exchange-by-using-activesync</a>
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Hi Ehab,
Outlook2016 does not support this method to connect to Exchange 2016.
Please check this for more details
https://support.microsoft.com/en-us/help/2859522/outlook-does-not-support-connections-to-exchange-by-using-activesync [https://support.microsoft.com/en-us/help/2859522/outlook-does-not-support-connections-to-exchange-by-using-activesync]

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The native Windows 10 mail app would support EAS connections to Exchange but the Outlook client will not--this is by design. &nbsp;If Outlook, the native connection required is RPC/HTTP or MAPI/HTTP. &nbsp;MAPI/HTTP has been the new standard--beginning with Exchange 2013.
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The native Windows 10 mail app would support EAS connections to Exchange but the Outlook client will not--this is by design.  If Outlook, the native connection required is RPC/HTTP or MAPI/HTTP.  MAPI/HTTP has been the new standard--beginning with Exchange 2013.

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hi<br />
i have exchange server 2016 on windows server 2012,<br />
and outlook anywhere working through autodiscovery &nbsp;works well, As shown in attached file 001<a href="https://filedb.experts-exchange.com/incoming/2018/02_w08/1276920/001.JPG" target="_blank" title="file 001 (52 KB)"><img alt="file 001" class="file-block lazyload" style="max-width: 679px;" data-src="https://filedb.experts-exchange.com/incoming/2018/02_w08/1276920/001.JPG" /></a> ,<br />
but when try to connect to exchange activesync service <a href="https://filedb.experts-exchange.com/incoming/2018/02_w08/1276921/002.JPG" target="_blank" title="file 002 (41 KB)"><img alt="file 002" class="file-block lazyload" style="max-width: 681px;" data-src="https://filedb.experts-exchange.com/incoming/2018/02_w08/1276921/002.JPG" /></a> &nbsp;i get this error As shown in attached file 003<a href="https://filedb.experts-exchange.com/incoming/2018/02_w08/1276922/003.JPG" target="_blank" title="file 003 (91 KB)"><img alt="file 003" class="file-block lazyload" style="max-width: 800px;" data-src="https://filedb.experts-exchange.com/incoming/2018/02_w08/800_1276922/003.JPG" /></a> ,<br />
whats the best solution we can connect &nbsp;ctivesync service.
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002.JPG

001.JPG

003.JPG

hi
i have exchange server 2016 on windows server 2012,
and outlook anywhere working through autodiscovery  works well, As shown in attached file 001 ,
but when try to connect to exchange activesync service   i get this error As shown in attached file 003 ,
whats the best solution we can connect  ctivesync service.

How to connect to exchange Activesync service

Microsoft Office is an integrated suite of applications that includes Outlook, Word, Excel, Access, PowerPoint, Visio and InfoPath, along with a number of tools to assist in making the individual components work together. Coding within and between the projects is done in Visual Basic for Applications, known as VBA.

Microsoft Office

Exchange is the server side of a collaborative application product that is part of the Microsoft Server infrastructure. Exchange's major features include email, calendaring, contacts and tasks, support for mobile and web-based access to information, and support for data storage.

Exchange

Microsoft Outlook is a personal information manager from Microsoft, available as a part of the Microsoft Office suite. Although often used mainly as an email application, it also includes a calendar, task manager, contact manager, note-taker, journal, and web browser.

Outlook

This topic area includes legacy versions of Windows prior to Windows 2000: Windows 3/3.1, Windows 95 and Windows 98, plus any other Windows-related versions including Windows Mobile.

Windows OS

Windows Server 2012 is the server version of Windows 8 and the successor to Windows Server 2008 R2. Windows Server 2012 is the first version of Windows Server to have no support for Itanium-based computers since Windows NT 4.0. Windows Server 2012, now in its second release (Windows Server 2012 Release 2) includes Foundation, Essentials, Standard and Datacenter, and does not support IA-32 or IA-64 processors.