Outlook exchange connected but not updating
When using the term “Exchange Mailbox”, we are using an “alias” for a Database that hosted on the Exchange server.
We can describe the OWA (Outlook Web Application) mail client as a “viewer” for the data that stored in the Exchange database, and the Outlook mail client as a “viewer” for the database (OST File) that stored on the user desktop (Hard drive). WAN environment: When using a local Exchange Server (on-premises), Outlook synchronizes data to and from the Exchange Mailbox, by using a local LAN infrastructure.
When we use the Outlook default: cache mode, the “Outlook mail profile” serve as a “container” for: There are a couple of “factor” that can damage the Outlook OST file such as Antivirus, bad sector on the local hard disk and “unknown” factors.
Similar to the “corrupted mail item”, there is no precise definition for a “corrupted Mail profile”.
(We will review later some tools that can help us to disable or to locate these applications).
Most of the Antivirus programs have a dedicated component that built for scanning mail application such as Outlook.
The important thing that we should know is that Office 365 desktop apps includes: Outlook client is not operating in an “isolated” environment.
Many applications that were created to improve or enhance Outlook capability can cause Outlook to malfunction.
In the next section, we will review the optional solutions for each of the causes. Synchronization problem could be caused by a communication line that it’s not “wide” enough or overloaded communication line.One of our users complains that he cannot synchronize mail from his Mailbox in the cloud (Exchange Online).We try to use a couple of tricks (usually turn off and turn on windows), but no luck.When using Exchange Online services, the communication channel is based on a WAN infrastructure, which by default, have narrow bandwidth verse LAN infrastructure.Before we begin the troubleshooting process, we should classify the Mailbox as Standard Mailbox or “Large Mailbox”.
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For example, we create a new Mailbox (empty Mailbox) in Exchange Online, and we want to copy the data (mail items) from a PST file to the Exchange Online Mailbox.