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A user cannot access a mailbox by using Outlook Web App in Office 365 Dedicated

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Symptoms

In Microsoft Office 365 Dedicated, a user cannot access a mailbox by using Microsoft Outlook Web App (OWA).�

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Cause

This issue occurs�if a user does not have the required permissions to access the mailbox through OWA.

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Resolution

To resolve this issue, follow these steps:
  1. Make sure that the user has Internet access. To�do this, have the user visit�www.microsoft.com�to determine whether the webpage resolves correctly.
  2. Verify that the logon page for OWA is displayed correctly, and make sure that the user uses the correct URL for OWA.
    �
  3. Review the user's mailbox properties�to verify that the user's account is enabled for OWA. To do this, run the following Windows PowerShell cmdlet:�

    Get-CASmailbox user@domain.com | fl OWAEnabled


    Note The OWAEnabled option should be set to True if the user's account is enabled for OWA.

  4. Review the user's properties�to verify that the user's account is configured to use the correct protocol settings. To do this, run the following Windows PowerShell cmdlet:�

    Get-Mailbox | fl LinkedMasterAccount,ProtocolSettings
    Note The LinkedMasterAccount�attribute should be the user's domain\user_name logon. The�ProtocolSettings attribute should contain "HTTP�1�1������, OWA�1" to allow access to OWA. If the ProtocolSettings�attribute starts with a zero (0), the protocol is disabled.
  5. If the ProtocolSettings�attribute does not contain the "HTTP�1�1������, OWA�1" text, reset the protocol settings. To do this, follow these steps:
    1. Run the�Set-CASmailbox user@domain.com -owaenabled $false cmdlet.
    2. Run the�Set-CASmailbox user@domain.com -owaenabled $True cmdlet.
    3. Check the protocol settings. To do this,�run the following Windows PowerShell cmdlet:
      Get-Mailbox�user@domain.com | fl ProtocolSettings

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Keywords: KB2620052, vkbportal226

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Article Info
Article ID : 2620052
Revision : 5
Created on : 3/5/2013
Published on : 3/5/2013
Exists online : False
Views : 750