Issue: Customer was getting this error message upon launch of Outlook “Outlook cannot add the folder because creating a new Personal Folder(.pst) isn’t allowed
Cause: Customer had sharepoint connection in their Outlook, but commvault(no pst) was installed. Commvault(no pst) installation set DisablePST key in the registry to 1, hence the error
Resolution: Set the DisablePST key in the registry to 2. This allows sharepoint pst to be created but disabled pst creation feature of Outlook.
to correct the configuration, launch registry editor and go to
2007HKLMSoftwareMicrosoftOffice12.0Outlook
for Outlook 2003, 2003HKLMSoftwareMicrosoftOffice11.0Outlook
Ex-Shell 