


The values above are taken from a new mail profile with only the Cached Exchange Mode setting changed. Please note that the “00036601” registry key stores more connection settings that just wether or not Cached Exchange Mode is enabled. This allows you to enable/disable it with a simple logon script to create a standard in your organization without the need of forcing the recreation of the entire profile at start-up or visit each client.Ĭached Exchange Mode is controlled by the following key Įnabled with Public Folders/Favorites: 84 05 00 00 This makes it really hard to determine and control remotely whether your clients have Cached Exchange Mode enabled.Įnabling/Disabling Cached Exchange Mode can be controlled though the registry. When you upgrade from a previous Outlook version with an Exchange mailbox to Outlook 2003 Cached Exchange mode is disabled by default. When you create a new profile in Outlook 2003 Cached Exchange mode is enabled by default. The benefits of enabling this is reducing network traffic, faster responds time of the Outlook client (especially with large attachments), being able to use the Junk E-mail Filter and being able to work off-line. If makes a local copy of the Exchange Mailbox.


This is the default value.Cached Exchange Mode is new in Outlook 2003. True: only Outlook clients that are configured to use Cached mode are allowed to access the mailbox įalse: the state of the Cached mode setting is not checked before Outlook clients are allowed to access the mailbox (both online and cached mode are allowed). Check the Use Cached Exchange Mode box to enable it. Select the Exchange account in the list under the E-mail tab, then select Change. The MAPIBlockOutlookNonCachedMode parameters, which is available only in on-premises Exchange servers, controls access to the mailbox by using Outlook in online or offline mode. In Outlook, select File > Account Settings > Account Settings. If Cached Exchange Mode is enabled in Outlook, the local index on your computer is used to search items. For example, we can configure settings for ActiveSync, Outlook, Outlook on the web, POP3, and IMAP4. Outlook Search and Cached Exchange Mode In this section, we’ll take a look at how Outlook search works if your mailbox is located on an Exchange server or Exchange Online (Microsoft 365). The Set-CASMailbox cmdlet is used to configure client access settings on a mailbox. Besides using Group Policy to control this from the client side, in Exchange 2007, 2010, 20 we can force all clients to use Cached Mode at the server end by running the following cmdlet: Get-Mailbox | Set-CASMailbox -MAPIBlockOutlookNonCachedMode $True Some organizations prefer all Outlook clients to connect to their Exchange servers using Cached Exchange Mode (also known as offline mode) because clients in Online Mode can generate significantly more disk I/O traffic.
