I hit "Yes" and get the same error as earlier: "Log onto Exchange ActiveSync mail server [EAS]: The server cannot be found. But the PC with Office 2016 seem to not like Exchange 2010. Original KB number: 2859522. I am working on moving their PCs to our main domain, but they still need to hit their file server and exchange server on their domain. Therefore, check your At this point, the policy setting will be applied on your Outlook client workstations when the Group Policy update is replicated. Outlook doesn't support connections to Exchange by using ActiveSync and error: Log onto Exchange ActiveSync mail server (EAS) 7/24/2020; 2 minutes to read; Applies to: Outlook 2019, Outlook 2016, Outlook 2013; In this article.
Outlook connection still not working? To continue this discussion, please The action could not be completed.Your Server or Mailbox names could not be resolved.If you are using one of the automated methods (Group Policy or a .prf file), make sure that you fully test the method before you deploy it on a large scale.To manually update an existing Outlook profile so that it uses RPC encryption, follow these steps:In the dialog box that contains your mailbox server and user name, select From a client perspective, deploying the Outlook-Exchange encryption setting is probably the simplest solution for organizations that have many Outlook clients.
Symptoms Method 2 is only provided in this article for situations where you cannot immediately deploy the necessary RPC encryption settings on your Outlook clients. Outlook 2016 can only connect to Exchange using AutoDiscover feature. No one in that office knows who originally setup Outlook 2016 and what black magic they used to get it to work. Outlook must be online or connected to complete this action.Outlook could not log on.
Microsoft Corporation Office 2016 Professional Plus Outlook must be online or connected to complete this action.The name could not be resolved.
If you use Method 2 to allow Outlook clients to connect without RPC encryption, please re-enable the RPC encryption requirement on your CAS servers as quickly as possible to maintain the highest level of client-to-server communication.To disable the required encryption between Outlook and Exchange, follow these steps:Run the following command in the Exchange Management Shell:You must run this cmdlet for all Client Access servers that are running Exchange Server 2010 or later version.Rerun this command for each Exchange server that has the After your Outlook clients are updated with the setting to enable encrypted RPC communication with Exchange (see steps provided below), you can re-enable the RPC encryption requirement on your Exchange servers that have the To re-enable the RPC encryption requirement on your Exchange servers that have the You must run this cmdlet for all Client Access servers that are running Exchange Server 2010 or later version.One possible cause is that you're using Outlook and you disable the The default Exchange Server 2010 Release to Manufacturing (RTM) configuration requires RPC encryption. information:https://docs.microsoft.com/en-us/exchange/architecture/client-access/autodiscover?view=exchserver-2019Make sure you have a working Autodiscover DNS entry, in earlier versions of Outlook this was optional but with 2016 this is now required to configure Exchange correctly. Outlook 2016/2019 can be set up to connect to Exchange only if there is a valid Autodiscover information for your domain. following DNS records:Target: The externally accessible FQDN of the
Symptoms The information store could not be opened.Outlook could not log on. Unable to open the Outlook window. Outlook 2016 profile cannot be created with Outlook profile helper tool or Single Sign-On tool. So you should only deploy this setting by using Group Policy for either of the following reasons:The default Group Policy template for Outlook 2013 contains the Group Policy setting that controls Outlook-Exchange RPC encryption. Therefore, check your Windows documentation for detailed information.Go to step 3 after you add the .adm template to the Local Group Policy Editor.At this point, the policy setting will be applied on your Outlook client workstations when the Group Policy update is replicated. Only Exchange 2010 … The connection to the Microsoft Exchange Server is unavailable. This behavior is a change from Exchange Server 2010 Service Pack 1 where the RPC encryption requirement is disabled by default. Outlook 2016/2019 profile cannot be created with Outlook profile helper tool or Single Sign-On tool. This article fixes some mailbox connection issues for Outlook 2013, Outlook 2010, or Outlook 2007 that has an Exchange 2010, Exchange 2013, or Exchange 2016 mailbox configured.The article only applies to the Microsoft Outlook connection issues that are caused by the RPC encryption requirement.When you start Microsoft Office Outlook by using a profile that includes a mailbox on a server that's running Microsoft Exchange Server 2010, Exchange Server 2013, or Exchange Server 2016, you may receive the following error messages:Cannot start Microsoft Office Outlook. Please try typing them again. Note: The Repair option isn't available if you're using Outlook 2016 to connect to an Exchange account. Outlook must be online or connected to complete this action.Unable to open your default e-mail folders.