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
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)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