Update Rollup 19 for Microsoft Exchange Server 2010 Service Pack 3 (SP3) was released on December 19, 2017. Before you install this update, you must remove all interim updates for Exchange Server 2010 SP3. Also, see this important information about how to install this update. This cumulative update includes fixes for nonsecurity issues and all previously released fixes for security and nonsecurity issues. These fixes will also be included in later cumulative updates for Exchange Server 2010.
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