This change is presented to Outlook in the Autodiscover process, and the protocol switch is made in Outlook. The server (Exchange or Office 365) either enabled or disabled the MAPI over HTTP protocol. There are two common reasons for the protocol change that's mentioned in the "Cause" section: In Mail, make sure that the Always use this profile option is selected, and then select your new profile name from the list. Type a name for the profile, and then click OK.įollow the steps in the Add Account Wizard to add your email account. In Control Panel for Windows XP, type Mail in the Address box. To locate the Mail item, open Control Panel, and then type Mail in the Search box at the top of window.
#Outlook 2010 exchange online compatibility install
If you can't install the update that's mentioned in the "Resolution" section to fix this issue, you can work around the issue by following these steps to create a new Outlook profile: For information about this update, click the following article number to view the article in the Microsoft Knowledge Base:ģ055041 August 11, 2015, update for Outlook 2010 (KB3055041) To fix this issue, install the August 11, 2015, update for Outlook 2010. Outlook uses this incorrect mailbox information, and this triggers errors and display issues in the primary and archive mailbox.
In some cases, this generates a timing issue in Outlook that causes mailbox information from the messaging profile to be stored incorrectly. This problem occurs when a client or server change forces Outlook to use a different communication protocol. Contact your administrator if this condition persists.' Task '' reported error (0x8004011D) : 'The server is not available.