

You need to be assigned permissions before you can perform this procedure or procedures. To learn how to open the Exchange Management Shell in your on-premises Exchange organization, see Open the Exchange Management Shell.

What do you need to know before you begin?įor more information about accessing and using the EAC, see Exchange admin center in Exchange Server. Set up Office apps and email on iOS devicesįor additional management tasks related to user access to mailboxes, see these topics:Įnable or disable Outlook on the web access to mailboxes in Exchange ServerĮnable or disable POP3 or IMAP4 access to mailboxes in Exchange ServerĮnable or disable MAPI access to mailboxes in Exchange Server Disabling ActiveSync on a mailbox prevents the user from synchronizing their mailbox with a mobile device (by using ActiveSync).Īdministrators can use the Exchange admin center (EAC) or the Exchange Management Shell to enable or disable Exchange ActiveSync access to a mailbox.įor more information about ActiveSync, see Exchange ActiveSync.įor information about setting up email on your mobile device, see these topics:

By default, ActiveSync is enabled on new user mailboxes. 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.ActiveSync is a client protocol that lets users synchronize their Exchange mailbox with a mobile device. Outlook supports the use of EAS to connect to other services that support the EAS protocol. The EAS protocol provides access to data in Exchange mailboxes to various devices and other clients. For more information about how to configure Outlook to connect to Exchange, see Add an email account to Outlook. To resolve this problem, connect to Exchange by using the standard Exchange connection settings. This problem occurs because Outlook doesn't support connections to a server that's running Exchange Server by using the EAS protocol. Log onto Exchange ActiveSync mail server (EAS): The server cannot be found. When you configure Microsoft Outlook to connect to Microsoft Exchange by using the Exchange ActiveSync (EAS) protocol, you receive the following error message:
