Users Cannot Enable Out Of Office Assistant When Using Outlook 2007
Microsoft Exchange Server 2007 will reach end of support on April 11, 2017. To stay supported, you will need to upgrade. For more information, see Resources to help you upgrade your Office 2007 servers and clients.
This topic provides information about how to troubleshoot the Out of Office Assistant when using Microsoft Office Outlook 2007. In Microsoft Exchange Server 2007, you cannot enable the Out of Office Assistant if you are using Outlook 2007 with a profile for a mailbox that is not the same as the mailbox for the currently logged-on user. You may receive the following error message: "The Out Of Office Assistant cannot be displayed. Your server could not be located."
This issue occurs when the currently logged-on user's credentials do not match the credentials of the user whose mailbox is being accessed. Therefore, Outlook 2007 doesn't allow access to the mailbox.
Resolution
To resolve this issue, use Microsoft Office Outlook Web Access to access your mailbox, and then enable the Out of Office Assistant via the Options page. For more information about enabling or disabling the Out of Office feature using Outlook Web Access, see How to Use Outlook Web Access to Turn On and Turn Off the Out of Office Feature.