microsoft outlook 2010 cannot connect to exchange server

I then proceeded to download Outlook 2010 SP2, applied it and noticed that I was then able to connect. 1000) which unfortunately did not fix the issue. … but the hotfix did not resolve my issue.Īfter trying multiple suggestions from various source I found from searching without any luck, I decided to first update Outlook 2010 RTM (no service pack version. Outlook is unable to connect to Exchange 2013 public folder or auto-mapped mailbox Outlook 2010 unable to connect to exchange server 2013 I’m not sure why but one of the first few results from searching Connectivity to public folders and mailboxes hosted on earlier versions may be affected. Microsoft Exchange versions earlier than Exchange Server 2013 do not support the Negotiate client authentication method. GUID number followed by and the Mailbox field the * Specify the authentication method for external clients to use when connecting to your organization from: Outlook must be online or connected to complete this action.Ĭlicking on the OK button will display the Microsoft Exchange window with the Microsoft Exchange server field filled with a: The connection to Microsoft Exchange is unavailable.

You’ve deployed a new green field deployment of Exchange Server 2013 in an environment, applied cumulative update 2 but notice that when you attempt to connect with an Outlook 2010 client, you notice that the configuration passes the Establish network connection step, then the Search for server settings step but fails at the Log on to server step with the the following error:

Microsoft outlook 2010 cannot connect to exchange server