| System maintenance & setup > Upgrading an existing system > Ensuring data integrity during the upgrade

Ensuring data integrity during the upgrade

During the upgrade process, we recommend several procedures to ensure that the post-upgrade data is accurate for reporting purposes and that all fixes available in the upgrade have been propagated to the data.

Before starting the upgrade process, take the following steps:

= Back up your database.
= Ensure the Web and Database Servers have DNS entries.
= Ensure you are running Microsoft SQL Server 2008 (64-bit SP2, 64-bit R2, or 32-bit SP3) or SQL Server 2012 SP1 64-bit.
= Close all applications and restart your computer.
= If you cannot see the file types, change the computer's folder options to show file name extensions.
= For Microsoft Windows, ensure that any computer that a user uses to view PowerSchool SMS is equipped with an appropriate web browser [see User access requirements >>].

During the upgrade process, keep the following in mind:

= Restart your computer whenever prompted or given the option to do so.
= Follow the steps that apply to your setup in their exact order.


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