what is the microsoft exchange server for outlook 2003

With this information you can tell which clients need to be upgraded to a newer version before blocking is implemented, or simply which clients will no longer be able to connect after it is implemented. Determining Which Client Versions are in useīefore implementing client version blocking it’s a good idea to know versions are in use. In Exchange 2007 MAPI client blocking can be implemented on a per-server basis using a registry change, or on a per-mailbox basis using the Exchange Command Shell.Īdditionally, Microsoft recommends implementing Outlook client blocking as a best practice, and if you run the Exchange Best Practices Analyzer against a server which does not have client blocking enabled it will suggest that you configure it.

You may also have corporate policy which dictates that a particular version or versions of Outlook are used.įortunately Exchange has the ability to restrict which versions of Outlook can connect by blocking MAPI client versions, a feature which was introduced in Exchange 2000 Service Pack 1. It’s not always desirable to let any version of Outlook connect to Exchange Server as you may require your clients to utilize a specific feature set, such as Messaging Records Management, or to have certain security fixes. Outlook has been around for a long time, and there are many versions with different features and varying levels of security fixes.

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What is the microsoft exchange server for outlook 2003