FOIA VistA Download

FOIA VistA Source Code Download Site

This site is provided as a service to the VistA open source community.  OSEHRA is working with the Department of Veterans Affairs to become the official site for FOIA VistA download.  While awaiting that approval, we are keeping this site current and inviting our users to utilize it.  If you would like to receive automated notification of file updates on this site, please click here for notification registration.

FOIA VistA is the "redacted" version of VA Enterprise VistA, released publicly via the Freedom of Information Act.  FOIA VistA source code -- consisting of the M server components, client software such as CPRS, and patches for the individual packages -- can be accessed from the OSEHRA website at the following directories:

NOTE:  FOIA VistA software and associated material are redacted and may not be fully functional due to missing components.  *PLEASE* read and follow the installation instructions and documentation to ensure all prerequisites are fulfilled.

Install FOIA VistA on Caché Via CACHE.DAT File

1. Download the latest version of the CACHE.DAT (monthly update) - see FOIA VistA CACHE.DAT binary releases

2. Install InterSystems Caché (if it is not already installed)

3. Install CACHE.DAT into Caché

Install FOIA VistA on Caché or GT.M via FOIA VistA-M Git Repository

The CACHE.DAT binary is intended only for installation on a InterSystems Caché server.  For installation of FOIA VistA on a GT.M or Caché server, OSEHRA provides a repository containing the VistA M components.  Note that the VistA-M repository does not have the Caché classes contained in the CACHE.DAT file. 

  • VistA-M.git: OSEHRA VistA M Components (raw .m and .zwr)

​Instructions on installing FOIA VistA are provided below.

For Caché system 

For GT.M system

Set Up the OSEHRA Testing Environment and Run Tests

For instructions to set up the OSEHRA testing environment and run tests