- When you start Outlook in an existing profile, you receive the following error:Cannot start Microsoft Outlook. Cannot open the Outlook window.
- When you start Outlook or create a new Outlook profile, you are repeatedly asked to enter credentials.
- If you click Cancel at the credential prompt, you receive the following error message:The action cannot be completed. The connection to Microsoft Exchange is unavailable. Outlook must be online or connected to complete this action.
Set-Casmailbox <mailbox> -Mapiblockoutlookrpchttp:$false
If there is a 1 following the fifth § character, as is shown in this screen shot, Outlook Anywhere is disabled.
If there is a 0 following the fifth § character, or if there is neither a 0 nor a 1, Outlook Anywhere is not disabled.
For more information about protocol settings and ADSI Edit, see the following TechNet article:
Article ID: 3120192 - Last Review: Dec 2, 2015 - Revision: 1