The Exchange Server Service Pack 3 is a milestone in the product Besides the transition capabilities we can also install it on Windows Server There is no database schema upgrade from SP1 or SP2 to SP3. This is the step by step guide for how to install Exchange Server SP3 on Windows Server Article covers setting up Exchange Server. SP3 for Exchange Server , was released in February This is a long awaited service pack. Back in October , Microsoft. Wait no longer: Exchange SP3 is available! Download the update, discover its new features, and learn how to install the latest version of. With Exchange Service Pack 2 end of life April 8th, now is the time So, once you have SP3 downloaded and unpacked you will need to. Microsoft Exchange Server helps you achieve new levels of reliability and performance by delivering features that help to simplify your. The support for Windows Server includes both the installation of SP3 on Server , and the interoperability of Exchange SP3 with. In order to install and co-exist Exchange with Exchange you had to have SP3 installed for but you guessed it SP3 wasn't.