Disable OWA Access in Exchange 2010 MailboxMustBeGeek

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When you create a mailbox, Outlook Web Access (OWA) access to the mailbox is enabled by default. Outlook Web App lets you access your Exchange mailbox from almost any Web browser. When you disable OWA Access in Exchange 2010 Mailbox, the user will no longer will be able to connect to mailbox from web browsers. However, mailbox will continue to receive emails. User can still access emails through Outlook using MAPI, POP or IMAP if these protocols are enabled for the particular mailbox. Some organizations like to disable the OWA access and allow just the outlook access. This article shows how you can disable OWA access in Exchange 2010 mailbox.

Disable OWA Access in Exchange 2010 Mailbox

You can disable OWA access either through Exchange Management Console or through Exchange Management Shell. In this article we will run through both processes to disable OWA for a mailbox Test01. To disable Outlook Web App using EMC, open Exchange Management Console â†’ expand Recipient Configuration â†’ click on Mailbox â†’ select the mailbox for which you have to disable OWA â†’ click on Properties from the action pane as shown below.

This will open the mailbox properties page, now click on Mailbox Features tab â†’ Select Outlook Web App and then click Disable. Similarly from this page you can switch between other mailbox features. Once the required options are set click on OK.

Now the OWA access for the mailbox have been disabled. If the user tries to login to owa user will get an error and won’t be able to view the emails from web.

Disabling OWA for mailbox using Exchange Management Shell

To disable OWA for a mailbox using Exchange management shell, type the following PS command.

Set-CasMailbox -Identity Test01 -OWAenabled $false

The above command will not provide any output. You can use the following PS command to check if it is disabled or not.

Get-CASMailbox -Identity Test01 | Select OWAe*

Which will output results similarly as shown below.

You can also disable OWA for multiple users by importing a csv file into the PS command. Below is an example:

Import-Csv C:\Temp\List.csv|foreach { Set-CasMailbox -Identity $_.Ailas -OWAenabled $false }

I have used the following csv template as an input to the above command.

Now the OWA access for the mailbox have been disabled. If the user tries to login to OWA user will get an error and won’t be able to view the emails from web.