If ActiveSync access is disabled for the mailbox, you'll see Enable Exchange ActiveSync. To capture ActiveSync device log information, use one of the following methods. Outlook 2013 Exchange ActiveSync account: "Log onto Exchange ActiveSync mail server (EAS): The server cannot be found." Outlook 2016/2019 will discover your email server settings and finish configuration of your email account. In 2016 Microsoft have removed the fine tuning and the only option to connect appears to be: Exchange ActiveSync; When I enter the details I get: Log onto Exchange ActiveSync mail server (EAS). Now you can open your new profile in Outlook 2016/2019. Outlook 2016 profile cannot be created with Outlook profile helper tool or Single Sign-On tool. When you configure Microsoft Outlook to connect to Microsoft Exchange by using the Exchange ActiveSync (EAS) protocol, you receive the following error message:Log onto Exchange ActiveSync mail server (EAS): The server cannot be found.This problem occurs because Outlook doesn't support connections to a server that's running Exchange Server by using the EAS protocol.To resolve this problem, connect to Exchange by using the standard Exchange connection settings.
How to Fix the Log onto Office 365 & Exchange ActiveSync EAS Outlook error – Something Went WrongPrevious versions of Outlook connect without issue but the degrading of EAS (Exchange ActiveSync) is Microsoft’s way of saying “go to office 365 or we’re going to start breaking things”.On the screen where you enter the account details, put in the name of the Exchange Server (it will be It will run through many times and cancel the request then try again etc.Often times it gets through and lets you finish the setupOn the machine that has the EAS or “Something Went Wrong” error you can try editing the HOSTS fileYou may have an issue where the HOSTS file is locked or you get an access denied error when you try to save, so go into the security tab of the ETC folder and Add the following lines to the hosts file, if you don’t know the IP’s then simply ping the WAN IP addresses of your mail server to get them. User name and password are not valid. The autodiscover A record is the Key for Outlook’s autocomplete settings. We have Exchange 2010 and I am trying to introduce first office 2016 and having an issue connecting outlook 2016 to Exchange. Note: This will send the ActiveSync mailbox log to the specified email address for analysis. "Log onto Exchange ActiveSync mail server (EAS): The server cannot be found" Make sure you add the Autodiscover record to your public DNS or alternatively modify the hosts file with an Autodiscover record so the Outlook client can resolve the correct Exchange communication settings. Note: if you see a message saying "An encrypted connection to your mail server is not available. How to fix -Cannot Log onto Exchange ActiveSync mail server (EAS) - and - Something Went Wrong- error when Outlook can't connect to Office 365 If your Exchange Server does not have MAPI over HTTP enabled, you'll need to set a registry key to disable MAPI over HTTP. Outlook 2016 can only connect to Exchange using AutoDiscover feature. Method 1: Use Outlook on the web. For more information about how to configure Outlook to connect to Exchange, see The EAS protocol provides access to data in Exchange mailboxes to various devices and other clients. )Enter mail.yourdomain.com in the top field, and then keep the Click OK and then get back to the original window, type in your name and click NextIf it pop’s up asking for a username and password make sure you First off, make sure all your hosted DNS records are setup correctly! Sign in to the Office 365 portal (https://outlook.office.com) In the upper-right area of the page, click Settings, and then click View all outlook settings. Again, If you have all the hosted DNS records setup correctly and Outlook still resolve the wrong server, then check the MX Entry in the cPanel of systems like These App Password instructions may need to be used in conjunction with some of the other instructions on this page as the App Password issue maybe just one of the issues prohibiting your setupIf this is an issue where Outlook 2010 or Outlook 2013 doesn’t recognize your email address or won’t accept your password when connecting to Office 365 then try this:An authentication prompt will appear, enter your email address and password when prompted, then click f you have Office 365 and you have tried to create a new profile and put in the server address and it still doesn’t work then try this registry fix:Go to Control Panel and then MAIL and delete all previous profiles (you have to do this to get the Outlook setup wizard to work)Now save the file to your c:\users\username\appdata\local\microsoft\outlook folder as Note that on the string value you will have to put your email domain and on the data value you will have to put the folder you saved the XML fileRe-open Outlook and see if it works, if it does not please run the ‘Do us a very simple favor and pop a Like on our FB Page by click on this, it helps with SEO and makes us more visibleHow to Migrate to Office 365 and explaining what a How managed O365, use the Admin portal, create groups and contactsSetup forwarding, Receive connectors, scan to email and other mail flow rulesPublic Folders, Outlook education and what to expect when Log onto Exchange ActiveSync mail server (EAS): The server cannot be found. Because an EAS connection doesn't provide all the features of a standard connection to Exchange, Outlook doesn't support this method to connect to Exchange. Could not locate the specified server. Cause This problem occurs because Outlook does not support connections to a server that is running Exchange Server by using the EAS protocol. Additional information on mailbox logging can be found here. Outlook supports the use of EAS to connect to other services that support the EAS protocol.