Applies to: Exchange Server 2013, Exchange Online

Topic Last Modified: 2013-01-18

You can enable or disable IMAP4 for a user.

Note:
After you've enabled or disabled IMAP4 for a user, you must restart the Microsoft Exchange IMAP4 service and the Microsoft Exchange IMAP4 Backend service. For more information about how to restart the IMAP4 service, see Start and Stop the IMAP4 Services.

For additional information related to managing user mailboxes, see Manage User Mailboxes.

For additional information related to POP3 and IMAP4, see POP3 and IMAP4.

What do you need to know before you begin?

  • Estimated time to complete: 2 minutes.

  • You need to be assigned permissions before you can perform this procedure or procedures. To see what permissions you need, see the "Recipient provisioning permissions" section in the Recipients Permissions topic.

  • For information about keyboard shortcuts that may apply to the procedures in this topic, see Keyboard Shortcuts in the Exchange Admin Center.

Tip:
Having problems? Ask for help in the Exchange forums. Visit the forums at: Exchange Server, Exchange Online, or Exchange Online Protection.

What do you want to do?

Use the EAC to enable or disable IMAP4 for a user

  1. In the EAC, navigate to Recipients > Mailboxes.

  2. In the result pane, select the user for which you want to enable or disable IMAP4, and then click Edit Edit Icon.

  3. In the User Mailbox dialog box, in the console tree, click Mailbox Features.

    In the result pane, under Email Connectivity, do one of the following:

    • To disable IMAP4 for the user, under IMAP4: Enabled, click Disable.

    • To enable IMAP4 for the user, under IMAP4: Disabled, click Enable.

  4. Click Save.

Use the Shell to enable or disable IMAP4 for a user

This example enables IMAP4 for the user John Smith.

Copy Code 
Set-CASMailbox -Identity "John Smith" -IMAPEnabled $true

This example disables IMAP4 for the user John Smith.

Copy Code 
Set-CASMailbox -Identity "John Smith" -IMAPEnabled $false

How do you know this worked?

  1. In the EAC, navigate to Recipients > Mailboxes.

  2. In the result pane, select the user for which you want to enable or disable IMAP4, and then click Edit.

  3. In the User Mailbox dialog box, in the console tree, click Mailbox Features.

    In the result pane, look under Email Connectivity.

    • If IMAP4 is enabled for the user, you will see IMAP4: Enabled.

    • If IMAP4 is not enabled for the user, you will see IMAP4: Disabled.

  4. Click Save.