This article refers to Barracuda ArchiveOne version 6.0 and higher.
Use the steps in this article to prevent users from creating or opening PST files.
- On the Archive Server, type Regedit, and then click OK.
- Browse to HKEY_LOCAL_MACHINE\Software\Microsoft\Office\(version)\Outlook
where (version) represents the installed Outlook version.
- Add a new DWORD called DisablePst, and set the value to 1.
- Close the Registry Editor.