Before you install the software, ensure that your system meets the minimum hardware, software, and operating system requirements.
Details of the hardware and software requirements change over time due to maintenance updates and the addition of operating system, application, and other software currency support.
For the most current requirements, review the Hardware and Software Requirements technote that is associated with the level of your Data Protection for Exchange program. This technote is available in the TSM for Mail - All Requirement Documents website at http://www.ibm.com/support/docview.wss?uid=swg21219345. When you are at the website, follow the link to the requirements technote for your specific release or update level.