The connection to the Microsoft Exchange Server is unavailable. Outlook must be online or connected to complete this action. When you try to create a new Outlook profile for a mailbox on a server that's running Exchange 2010 or Exchange Server 2013, you may receive the following error messages: However, you only see two connections within the 'Microsoft Exchange Connection Status' and you may see the Type Directory displayed as Disconnected/Connecting. Outlook starts and you can send and receive email messages. Outlook starts in the Disconnected state (the lower-right corner of the Outlook windows displays 'Disconnected,' the screenshot for the state is shown below). You may experience the following symptoms: However, if you're using a cached mode profile, Outlook doesn't display an error.

Check to make sure you are connected to the network and are using the proper server and mailbox name. The information store could not be opened. Unable to open your default e-mail folders.

Either there are network problems or the Microsoft Exchange Server computer is down for maintenance. The Microsoft Exchange Server computer is not available. When you start Microsoft Office Outlook by using a profile that includes a mailbox on a server that's running Microsoft Exchange Server 2010, Exchange Server 2013, or Exchange Server 2016, you may receive the following error messages:Ĭannot start Microsoft Office Outlook. The article only applies to the Microsoft Outlook connection issues that are caused by the RPC encryption requirement.

Outlook won t open 2016