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I must be missing something. &nbsp;I have a server running SBS 2011 which comes with exchange server 2010. &nbsp;I look up the current software level by looking at the properties of the server object in the exchange management console and it show me that we are at version 14.3 build 123.4. &nbsp;I can see where there are three service packs for exchange server 2010, SP1, SP2 and SP3. &nbsp;It looks like these patches want to reinstall exchange server completely. &nbsp;Do I need to do SP1 then the other two to follow or can I install SP3 and skip the first two? &nbsp;It sure looks like it is a fresh install which makes me a little nervous.
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I must be missing something.  I have a server running SBS 2011 which comes with exchange server 2010.  I look up the current software level by looking at the properties of the server object in the exchange management console and it show me that we are at version 14.3 build 123.4.  I can see where there are three service packs for exchange server 2010, SP1, SP2 and SP3.  It looks like these patches want to reinstall exchange server completely.  Do I need to do SP1 then the other two to follow or can I install SP3 and skip the first two?  It sure looks like it is a fresh install which makes me a little nervous.

Problems updating exchange server 2010 in SBS 2011

Small Business Server (SBS) is a line of server operating systems targeted at small businesses by bundling the operating system with a number of other Microsoft products that would normally need to be purchased or licensed separately. The most notable inclusions are Exchange, SQL Server, SharePoint and ISA/TMG (Microsoft's firewall and proxy server).

Exchange is the server side of a collaborative application product that is part of the Microsoft Server infrastructure. Exchange's major features include email, calendaring, contacts and tasks, support for mobile and web-based access to information, and support for data storage.