After installing the August 2018 Office update, we are struggling with the error message “Waiting for a page to be retrieved from a Microsoft Dynamics 365 server…” when using Microsoft Dynamics 365 for outlook app.
As a workaround while this issue is under investigation, navigate to the following location within Outlook:
File -> Options -> General -> User Interface Options -> When using multiple displays
Change the value of this setting to “Optimize for compatibility” (it will also notify you an application restart is required).
Once Outlook is restarted, the webpages within the Microsoft Dynamics 365 for Outlook will be able to render webpages again.
This can also be enforced through GPO via the following registry location (ensure to restart Outlook if running while this is set):