Exporting to PST file fails on Compliance Accelerator (CA) or Discovery Accelerator (DA) with Event ID: 235. All exported items go to the Failed Items folder
Problem
Compliance Accelerator (CA) or Discovery Accelerator (DA) export runs but fails with Event 235. All exported items go to the Failed Items folder when attempting to create the PST.
Error Message
Event Type: Error
Event Source: Accelerator Service Processor
Event Category: None
Event ID: 235
Description: APP AT - Customer ID: 6 - [ExportPST] - Error moving some messages to PST for run 'Export Name' System.ApplicationException. Error in the application.
V-437-235
Cause
The DisablePST registry key is set in various places in the registry on the CA or DA server. This can be caused by a Group Policy Object (GPO) being incorrectly applied to the Vault Service Account.
HKEY_CURRENT_USER\Software\Policies\Microsoft\office\12.0\outlook (Outlook 2007)
REG_DWORD 'DisablePST' is present and the value is 0x00000001 (1)
Solution
Microsoft supports a registry setting called DisablePST, which can prevent users from creating or accessing .PST files. More information can be found here: https://learn.microsoft.com/en-us/exchange/troubleshoot/outlook-issues/control-pst-use